diff --git a/src/ifcblenderexport/README.md b/src/ifcblenderexport/README.md
new file mode 100644
index 0000000000..6e47d406b9
--- /dev/null
+++ b/src/ifcblenderexport/README.md
@@ -0,0 +1,65 @@
+# Blender BIM IFC
+
+_Under heavy development!_
+
+Let's use Blender to create BIM models, because why not?
+
+## Features
+
+ - IFC4 is a first-class citizen. IFC4 has been an ISO standard since 2013, with
+   the latest published in 2018. In contrast, other programs are dragging their
+   feet with IFC2X3, published back in 2005.
+ - Use Blender to do digital modeling! Blender is an amazing open-source
+   software that supports the full 3D content creation pipeline that the CG
+   industry uses. Don't let your designs fall short just because your modeling
+   tool isn't good enough!
+ - Create complex spatial structures with multiple sites, buildings, facilities,
+   bridges, and building parts. In contrast, some BIM tools (uh, Revit?) don't
+   even allow you to specify buildings.
+ - Classify any geometry as any IFC type. Just because it is a wall doesn't
+   mean you should be limited to modeling it in a certain way. Easily change
+   from one type to another without damaging your geometry.
+ - Support element compositions and decompositions with full control over the
+   classifications of their parts. Most BIM programs don't give this
+   flexibility.
+ - Allow BIM objects to instance a shared geometric representations. This allows
+   you to place the same shape in multiple objects without drastically
+   increasing your filesize.
+ - Provide a custom value to any simple IFC attribute of an IFC product.
+ - Create product types that regular IFC products can inherit attributes from.
+ - Define your own property sets with control over exactly how the data in the
+   property sets are stored.
+ - Applies array modifiers to create instances.
+
+## Demo
+
+It's only just started, so everything can and will change. But if you want to
+check it out:
+
+ 1. Install [Blender](https://www.blender.org/).
+ 2. Install [IfcOpenShell](https://github.com/IfcOpenShell/IfcOpenShell),
+    ensuring that is is compiled to the same Python version and architecture of
+    your Blender installation.
+ 3. Launch Blender. Open `untitled.blend`. You should see the `export.py`
+    script already loaded. Change the hardcoded paths from
+    `/home/dion/Projects/blender-bim-ifc/` to wherever you've cloned this
+    repository.
+ 4. Ensure `ifcopenshell` is in your Blender Python's path, so that it can
+    `import ifcopenshell`. You can run
+    `sys.path.append('/path/to/your/ifcopenshell/module')` in the Blender Python
+    console to do this.
+ 5. Select all objects that you want to export. Press `Run Script`, and you will
+    get the results in `output.ifc`.
+
+A naming convention of `IfcClass/IfcName` is enforced. If you name your object
+`IfcWall/Foo`, it will turn into an `IfcWall` with the name attribute set to
+`Foo`. You can override object attributes using Blender's `Custom Properties`.
+Your objects must live in a top level `Collection` defined as a context class,
+usually something like `IfcProject/Foo`. You can then nest spatial structures
+underneath to create a hierarchy.
+
+![Blender screenshot](blender-screenshot.png)
+
+... this Blender files creates this IFC file ...
+
+![IfcOpenShell screenshot](ifcopenshell-screenshot.png)
diff --git a/src/ifcblenderexport/blender-screenshot.png b/src/ifcblenderexport/blender-screenshot.png
new file mode 100644
index 0000000000..167a1614e0
Binary files /dev/null and b/src/ifcblenderexport/blender-screenshot.png differ
diff --git a/src/ifcblenderexport/data/Pset_FurnitureTypeCommon/monkey.csv b/src/ifcblenderexport/data/Pset_FurnitureTypeCommon/monkey.csv
new file mode 100644
index 0000000000..1ccb116cde
--- /dev/null
+++ b/src/ifcblenderexport/data/Pset_FurnitureTypeCommon/monkey.csv
@@ -0,0 +1,9 @@
+PropertyType,ValueType,Name,Description,NominalValue,Unit
+IfcPropertySingleValue,IfcIdentifier,Reference,,Some reference,
+IfcPropertySingleValue,IfcLabel,Status,,EXISTING,
+IfcPropertySingleValue,IfcLabel,Style,,Some style,
+IfcPropertySingleValue,IfcPositiveLengthMeasure,NominalHeight,,1.2,
+IfcPropertySingleValue,IfcPositiveLengthMeasure,NominalLength,,1.3,
+IfcPropertySingleValue,IfcPositiveLengthMeasure,NominalDepth,,1.5,
+IfcPropertySingleValue,IfcLabel,MainColor,,Blue,
+IfcPropertySingleValue,IfcBoolean,IsBuiltIn,,Uh-huh,
diff --git a/src/ifcblenderexport/export.py b/src/ifcblenderexport/export.py
new file mode 100644
index 0000000000..975bf4b3ae
--- /dev/null
+++ b/src/ifcblenderexport/export.py
@@ -0,0 +1,480 @@
+import ifcopenshell
+import bpy
+import csv
+import json
+import time
+from pathlib import Path
+from mathutils import Vector
+
+class ArrayModifier:
+    count: int
+    offset: Vector
+
+class IfcParser():
+    def __init__(self):
+        self.data_dir = '/home/dion/Projects/blender-bim-ifc/data/'
+        self.schema_dir = '/home/dion/Projects/blender-bim-ifc/schema/'
+
+        with open(self.schema_dir + 'ifc_types_IFC4.json') as f:
+            self.type_map = json.load(f)
+
+        self.already_parsed_collections = []
+
+        self.selected_products = []
+        self.selected_types = []
+
+        self.psets = []
+        self.aggregates = {}
+        self.spatial_structure_elements = []
+        self.spatial_structure_elements_tree = []
+        self.rel_contained_in_spatial_structure = {}
+        self.rel_defines_by_type = {}
+        self.rel_aggregates = {}
+        self.representations = []
+        self.type_products = []
+        self.context = {}
+        self.products = []
+
+    def parse(self):
+        self.sort_into_products_and_types(bpy.context.selected_objects)
+        self.psets = self.get_psets()
+        self.spatial_structure_elements = self.get_spatial_structure_elements()
+        self.representations = self.get_representations()
+        self.type_products = self.get_type_products()
+
+        self.collection_name_filter = []
+        self.get_products()
+
+        self.context = self.get_context()
+        self.spatial_structure_elements_tree = self.get_spatial_structure_elements_tree(
+            self.context['raw'].children, self.collection_name_filter)
+
+    def get_object_attributes(self, object):
+        attributes = { 'Name': self.get_ifc_name(object.name) }
+        attributes.update({ key[3:]: object[key] for key in object.keys() if key[0:3] == 'Ifc'})
+        return attributes
+
+    def get_products(self):
+        index = 0
+        for object in self.selected_products:
+            self.products.append(self.get_product(object, index))
+            index += 1
+
+            instance_objects = [(object, object.location)]
+            for instance in self.get_instances(object):
+                created_instances = []
+                for n in range(instance.count-1):
+                    for o in instance_objects:
+                        location = o[1] + ((n+1) * instance.offset)
+                        self.products.append(self.get_product(o[0], index,
+                            {'location': location}))
+                        index += 1
+                        created_instances.append((o[0], location))
+                instance_objects.extend(created_instances)
+
+    def get_product(self, object, index, attribute_override={}):
+        product = {
+            'ifc': None,
+            'raw': object,
+            'location': object.location,
+            'up_axis': object.matrix_world.to_quaternion() @ Vector((0, 0, 1)),
+            'forward_axis': object.matrix_world.to_quaternion() @ Vector((1, 0, 0)),
+            'class': self.get_ifc_class(object.name),
+            'relating_structure': None,
+            'representation': self.get_representation_reference_from_object(object),
+            'attributes': self.get_object_attributes(object)
+            }
+        product.update(attribute_override)
+
+        for collection in product['raw'].users_collection:
+            self.parse_product_collection(product, index, collection)
+
+        if object.instance_type == 'COLLECTION' \
+            and self.is_a_rel_aggregates(self.get_ifc_class(object.instance_collection.name)):
+            self.rel_aggregates[index] = object.instance_collection.name
+
+        if object.parent \
+            and self.is_a_type(self.get_ifc_class(object.parent.name)):
+            reference = self.get_type_product_reference(object.parent.name)
+            self.rel_defines_by_type.setdefault(reference, []).append(index)
+        return product
+
+    def parse_product_collection(self, product, index, collection):
+        class_name = self.get_ifc_class(collection.name)
+        if self.is_a_spatial_structure_element(class_name):
+            reference = self.get_spatial_structure_element_reference(collection.name)
+            self.rel_contained_in_spatial_structure.setdefault(reference, []).append(index)
+            product['relating_structure'] = reference
+            self.collection_name_filter.append(collection.name)
+        elif self.is_a_rel_aggregates(class_name):
+            self.aggregates.setdefault(collection.name, []).append(index)
+        else:
+            self.parse_product_collection(product, index, self.get_parent_collection(collection))
+
+    def get_parent_collection(self, child_collection):
+        for parent_collection in bpy.data.collections:
+            for child in parent_collection.children:
+                if child.name == child_collection.name:
+                    return parent_collection
+
+    def get_instances(self, object):
+        instances = []
+        for m in object.modifiers:
+            if m.type == 'ARRAY':
+                array = ArrayModifier()
+                world_rotation = object.matrix_world.decompose()[1]
+                array.offset = world_rotation @ Vector(
+                    (m.constant_offset_displace[0], m.constant_offset_displace[1], m.constant_offset_displace[2]))
+                if m.fit_type == 'FIXED_COUNT':
+                    array.count = m.count
+                elif m.fit_type == 'FIT_LENGTH':
+                    array.count = int(m.fit_length / array.offset.length)
+                instances.append(array)
+        return instances
+
+    def sort_into_products_and_types(self, objects_to_sort):
+        for object in objects_to_sort:
+            if self.is_object_in_types_collection(object):
+                self.selected_types.append(object)
+            else:
+                self.selected_products.append(object)
+            if object.instance_type == 'COLLECTION' \
+                and object.instance_collection.name not in self.already_parsed_collections:
+                self.already_parsed_collections.append(object.instance_collection.name)
+                self.sort_into_products_and_types(object.instance_collection.objects)
+
+    def get_psets(self):
+        psets = []
+        for filename in Path(self.data_dir).glob('**/*.csv'):
+            with open(filename, 'r') as f:
+                psets.append({
+                    'ifc': None,
+                    'raw': list(csv.reader(f)),
+                    'attributes': {
+                        'Name': filename.parts[-2],
+                        'Description': filename.stem }
+                    })
+        return psets
+
+    def is_object_in_types_collection(self, object):
+        for collection in object.users_collection:
+            if self.is_a_types_collection(self.get_ifc_class(collection.name)):
+                return True
+        return False
+
+    def get_context(self):
+        for collection in bpy.data.collections:
+            if self.is_a_context(self.get_ifc_class(collection.name)):
+                return {
+                    'ifc': None,
+                    'raw': collection,
+                    'class': self.get_ifc_class(collection.name),
+                    'attributes': { 'Name': self.get_ifc_name(collection.name) }
+                }
+
+    def get_spatial_structure_elements(self):
+        elements = []
+        for collection in bpy.data.collections:
+            if self.is_a_spatial_structure_element(self.get_ifc_class(collection.name)):
+                elements.append({
+                    'ifc': None,
+                    'raw': collection,
+                    'class': self.get_ifc_class(collection.name),
+                    'attributes': { 'Name': self.get_ifc_name(collection.name)}
+                    })
+        return elements
+
+    def get_representations(self):
+        representations = {}
+        for object in self.selected_products + self.selected_types:
+            if not object.data:
+                continue
+            representations[object.data.name] = object.data
+        results = []
+        for name, value in representations.items():
+            results.append({
+                'ifc': None,
+                'raw': value,
+                'attributes': { 'Name': name }
+                })
+        return results
+
+    def get_type_products(self):
+        if not self.selected_types:
+            return []
+        return [{
+            'ifc': None,
+            'raw': object,
+            'location': object.location,
+            'up_axis': object.matrix_world.to_quaternion() @ Vector((0, 0, 1)),
+            'forward_axis': object.matrix_world.to_quaternion() @ Vector((1, 0, 0)),
+            'class': self.get_ifc_class(object.name),
+            'representation': self.get_representation_reference_from_object(object),
+            'attributes': self.get_object_attributes(object)
+            } for object in self.selected_types ]
+
+    def get_representation_reference_from_object(self, object):
+        if not object.data:
+            return None
+        return self.get_representation_reference(object.data.name)
+
+    def get_representation_reference(self, name):
+        return [ r['attributes']['Name'] for r in self.representations ].index(name)
+
+    def get_spatial_structure_elements_tree(self, collections, name_filter):
+        collection_tree = []
+
+        for collection in collections:
+            if not self.is_a_spatial_structure_element(self.get_ifc_class(collection.name)):
+                continue
+            children = self.get_spatial_structure_elements_tree(
+                collection.children, name_filter)
+            if collection.name in name_filter \
+                or children:
+                collection_tree.append({
+                    'reference': self.get_spatial_structure_element_reference(collection.name),
+                    'children': children
+                    })
+
+        return collection_tree
+
+    def get_spatial_structure_element_reference(self, name):
+        return [ e['attributes']['Name'] for e in self.spatial_structure_elements ].index(self.get_ifc_name(name))
+
+    def get_type_product_reference(self, name):
+        return [ p['attributes']['Name'] for p in self.type_products ].index(self.get_ifc_name(name))
+
+    def get_ifc_class(self, name):
+        return name.split('/')[0]
+
+    def get_ifc_name(self, name):
+        try:
+            return name.split('/')[1]
+        except IndexError:
+            print('ERROR: Name "{}" does not follow the format of "IfcClass/Name"'.format(name))
+
+    def is_a_spatial_structure_element(self, class_name):
+        # We assume that any collection we can't identify is a spatial structure
+        return class_name[0:3] == 'Ifc' \
+            and not self.is_a_context(class_name) \
+            and not self.is_a_types_collection(class_name) \
+            and not self.is_a_rel_aggregates(class_name)
+
+    def is_a_rel_aggregates(self, class_name):
+        return class_name == 'IfcRelAggregates'
+
+    def is_a_context(self, class_name):
+        return class_name in ['IfcProject', 'IfcProjectLibrary']
+
+    def is_a_type(self, class_name):
+        return class_name[0:3] == 'Ifc' and class_name[-4:] == 'Type'
+
+    def is_a_types_collection(self, class_name):
+        return class_name == 'IfcTypeProduct'
+
+class IfcExporter():
+    def __init__(self, ifc_parser):
+        self.template_file = '/home/dion/Projects/blender-bim-ifc/template.ifc'
+        self.output_file = '/home/dion/Projects/blender-bim-ifc/output.ifc'
+        self.ifc_parser = ifc_parser
+
+    def export(self):
+        self.file = ifcopenshell.open(self.template_file)
+        self.set_common_definitions()
+        self.ifc_parser.parse()
+        self.create_psets()
+        self.create_rep_context()
+        self.create_context()
+        self.create_representations()
+        self.create_type_products()
+        self.create_spatial_structure_elements(self.ifc_parser.spatial_structure_elements_tree)
+        self.create_products()
+        self.relate_objects_to_objects()
+        self.relate_elements_to_spatial_structures()
+        self.relate_objects_to_types()
+        self.file.write(self.output_file)
+
+    def set_common_definitions(self):
+        self.origin = self.file.by_type("IfcAxis2Placement3D")[0]
+        # Owner history doesn't actually work like this, but for now, it does :)
+        self.owner_history = self.file.by_type("ifcownerhistory")[0]
+
+    def create_psets(self):
+        for pset in self.ifc_parser.psets:
+            properties = self.create_pset_properties(pset)
+            if not properties:
+                continue
+            pset['attributes'].update({
+                'GlobalId': ifcopenshell.guid.new(),
+                'OwnerHistory': self.owner_history,
+                'HasProperties': properties
+                })
+            pset['ifc'] = self.file.create_entity('IfcPropertySet', **pset['attributes'])
+
+    def create_pset_properties(self, pset):
+        properties = []
+        headers = pset['raw'].pop(0)[2:]
+        for data in pset['raw']:
+            type = data[1]
+            value = self.cast_to_base_type(type, data[4])
+            nominal_value = self.file.create_entity(type, value)
+            attributes = { header: data[i+2] if data[i+2] else None for i, header in enumerate(headers)}
+            attributes['NominalValue'] = nominal_value
+            properties.append(self.file.create_entity(data[0], **attributes))
+        return properties
+
+    def cast_to_base_type(self, type, value):
+        if self.ifc_parser.type_map[type] == 'float':
+            return float(value)
+        elif self.ifc_parser.type_map[type] == 'integer':
+            return int(value)
+        elif self.ifc_parser.type_map[type] == 'bool':
+            return True if value.lower() in ['1', 't', 'true', 'yes', 'y', 'uh-huh'] else False
+        return str(value)
+
+    def create_rep_context(self):
+        self.ifc_rep_context = self.file.createIfcGeometricRepresentationContext(
+            None, "Model",
+            3, 1.0E-05,
+            self.origin,
+            self.file.createIfcDirection((0., 1., 0.)))
+
+        self.ifc_rep_subcontext = self.file.createIfcGeometricRepresentationSubContext(
+            "Body", "Model",
+            None, None, None, None,
+            self.ifc_rep_context, None, "MODEL_VIEW", None)
+
+    def create_context(self):
+        context = self.ifc_parser.context
+        attributes = context['attributes']
+        attributes.update({
+            'GlobalId': ifcopenshell.guid.new(),
+            'RepresentationContexts': [self.ifc_rep_context],
+            'UnitsInContext': self.file.by_type("IfcUnitAssignment")[0]
+            })
+        self.ifc_parser.context['ifc'] = self.file.create_entity(self.ifc_parser.context['class'], **attributes)
+
+    def create_type_products(self):
+        for product in self.ifc_parser.type_products:
+            representation = self.ifc_parser.representations[product['representation']]['ifc']
+            placement = self.create_ifc_axis_2_placement_3d(product['location'], product['up_axis'], product['forward_axis'])
+            representation_map = self.file.createIfcRepresentationMap(placement, representation)
+            product['attributes'].update({
+                'GlobalId': ifcopenshell.guid.new(),
+                'RepresentationMaps': [representation_map]
+                })
+            try:
+                product['ifc'] = self.file.create_entity(product['class'], **product['attributes'])
+            except RuntimeError as e:
+                print('The type product "{}/{}" could not be created: {}'.format(product['class'], product['attributes']['Name'], e.args))
+
+    def relate_objects_to_objects(self):
+        for relating_object, related_objects in self.ifc_parser.rel_aggregates.items():
+            relating_object = self.ifc_parser.products[relating_object]
+            related_objects = [ self.ifc_parser.products[o]['ifc'] for o in self.ifc_parser.aggregates[related_objects] ]
+            self.file.createIfcRelAggregates(
+                ifcopenshell.guid.new(), self.owner_history, relating_object['attributes']['Name'], None,
+                relating_object['ifc'], related_objects)
+
+    def create_spatial_structure_elements(self, element_tree, relating_object=None):
+        if relating_object == None:
+            relating_object = self.ifc_parser.context['ifc']
+            placement_rel_to = None
+        else:
+            placement_rel_to = relating_object.ObjectPlacement
+        related_objects = []
+        for node in element_tree:
+            element = self.ifc_parser.spatial_structure_elements[node['reference']]
+            element['attributes'].update({
+                'GlobalId': ifcopenshell.guid.new(), # TODO: unhardcode
+                'OwnerHistory': self.owner_history, # TODO: unhardcode
+                'ObjectPlacement': self.file.createIfcLocalPlacement(placement_rel_to, self.origin)
+            })
+            element['ifc'] = self.file.create_entity(element['class'], **element['attributes'])
+            related_objects.append(element['ifc'])
+            self.create_spatial_structure_elements(node['children'], element['ifc'])
+        if related_objects:
+            self.file.createIfcRelAggregates(
+                ifcopenshell.guid.new(),
+                self.owner_history, None, None, relating_object, related_objects)
+
+    def create_representations(self):
+        for representation in self.ifc_parser.representations:
+            representation['ifc'] = self.create_representation(representation['raw'])
+
+    def create_products(self):
+        for product in self.ifc_parser.products:
+            self.create_product(product)
+
+    def create_product(self, product):
+        if product['relating_structure']:
+            placement_rel_to = self.ifc_parser.spatial_structure_elements[product['relating_structure']]['ifc'].ObjectPlacement
+        else:
+            placement_rel_to = None
+
+        placement = self.file.createIfcLocalPlacement(placement_rel_to,
+            self.create_ifc_axis_2_placement_3d(product['location'],
+                product['up_axis'],
+                product['forward_axis']))
+
+        try:
+            shape = self.file.createIfcProductDefinitionShape(None, None,
+                [self.ifc_parser.representations[product['representation']]['ifc']])
+        except:
+            shape = None
+
+        product['attributes'].update({
+            'GlobalId': ifcopenshell.guid.new(), # TODO: unhardcode
+            'OwnerHistory': self.owner_history, # TODO: unhardcode
+            'ObjectPlacement': placement,
+            'Representation': shape
+            })
+
+        try:
+            product['ifc'] = self.file.create_entity(product['class'], **product['attributes'])
+        except RuntimeError as e:
+            print('The product "{}/{}" could not be created: {}'.format(product['class'], product['attributes']['Name'], e.args))
+
+    def create_ifc_axis_2_placement_3d(self, point, up, forward):
+        return self.file.createIfcAxis2Placement3D(
+            self.file.createIfcCartesianPoint((point.x, point.y, point.z)),
+            self.file.createIfcDirection((up.x, up.y, up.z)),
+            self.file.createIfcDirection((forward.x, forward.y, forward.z)))
+
+    def create_representation(self, mesh):
+        ifc_vertices = []
+        ifc_faces = []
+
+        for vertice in mesh.vertices:
+            ifc_vertices.append(
+                self.file.createIfcCartesianPoint((vertice.co.x, vertice.co.y, vertice.co.z)))
+        for polygon in mesh.polygons:
+            ifc_faces.append(self.file.createIfcFace([
+                self.file.createIfcFaceOuterBound(
+                    self.file.createIfcPolyLoop([ifc_vertices[vertice] for vertice in polygon.vertices]),
+                    True)]))
+
+        return self.file.createIfcShapeRepresentation(
+            self.ifc_rep_subcontext, 'Body', 'Brep',
+            [self.file.createIfcFacetedBrep(self.file.createIfcClosedShell(ifc_faces))])
+
+    def relate_elements_to_spatial_structures(self):
+        for relating_structure, related_elements in self.ifc_parser.rel_contained_in_spatial_structure.items():
+            self.file.createIfcRelContainedInSpatialStructure(
+                ifcopenshell.guid.new(), self.owner_history, None, None,
+                [ self.ifc_parser.products[e]['ifc'] for e in related_elements],
+                self.ifc_parser.spatial_structure_elements[relating_structure]['ifc'])
+
+    def relate_objects_to_types(self):
+        for relating_type, related_objects in self.ifc_parser.rel_defines_by_type.items():
+            self.file.createIfcRelDefinesByType(
+                ifcopenshell.guid.new(), self.owner_history, None, None,
+                [ self.ifc_parser.products[o]['ifc'] for o in related_objects],
+                self.ifc_parser.type_products[relating_type]['ifc'])
+
+print('# Starting export')
+start = time.time()
+ifc_parser = IfcParser()
+ifc_exporter = IfcExporter(ifc_parser)
+ifc_exporter.export()
+print('# Export finished in {:.2f} seconds'.format(time.time() - start))
diff --git a/src/ifcblenderexport/ifcopenshell-screenshot.png b/src/ifcblenderexport/ifcopenshell-screenshot.png
new file mode 100644
index 0000000000..17b74d1b57
Binary files /dev/null and b/src/ifcblenderexport/ifcopenshell-screenshot.png differ
diff --git a/src/ifcblenderexport/output.ifc b/src/ifcblenderexport/output.ifc
new file mode 100644
index 0000000000..2ece3184d0
--- /dev/null
+++ b/src/ifcblenderexport/output.ifc
@@ -0,0 +1,2053 @@
+ISO-10303-21;
+HEADER;
+FILE_DESCRIPTION(('ViewDefinition [CoordinationView]'),'2;1');
+FILE_NAME('$filename','2019-05-12T12:33:45',('$owner','$email'),('$company'),'IfcOpenShell','IfcOpenShell','');
+FILE_SCHEMA(('IFC2X3'));
+ENDSEC;
+DATA;
+#1=IFCPERSON($,$,'$owner',$,$,$,$,$);
+#2=IFCORGANIZATION($,'$company',$,$,$);
+#3=IFCPERSONANDORGANIZATION(#1,#2,$);
+#4=IFCAPPLICATION(#2,'$version','FreeCAD','118df2cf_ed21_438e_a41');
+#5=IFCOWNERHISTORY(#3,#4,$,.ADDED.,$,#3,#4,$now);
+#6=IFCDIRECTION((1.,0.,0.));
+#7=IFCDIRECTION((0.,0.,1.));
+#8=IFCCARTESIANPOINT((0.,0.,0.));
+#9=IFCAXIS2PLACEMENT3D(#8,#7,#6);
+#10=IFCDIRECTION((0.,1.,0.));
+#12=IFCDIMENSIONALEXPONENTS(0,0,0,0,0,0,0);
+#13=IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);
+#14=IFCSIUNIT(*,.AREAUNIT.,$,.SQUARE_METRE.);
+#15=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);
+#16=IFCSIUNIT(*,.PLANEANGLEUNIT.,$,.RADIAN.);
+#17=IFCMEASUREWITHUNIT(IFCPLANEANGLEMEASURE(0.017453292519943295),#16);
+#18=IFCCONVERSIONBASEDUNIT(#12,.PLANEANGLEUNIT.,'DEGREE',#17);
+#19=IFCUNITASSIGNMENT((#13,#14,#15,#18));
+#20=IFCDIRECTION((0.,1.,0.));
+#21=IFCGEOMETRICREPRESENTATIONCONTEXT($,'Model',3,1.E-05,#9,#20);
+#22=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Body','Model',*,*,*,*,#21,$,.MODEL_VIEW.,$);
+#23=IFCPROJECT('2dOdNgQ_D0Ogns4_rGOik$',#5,'Name',$,$,$,$,(#21),#19);
+#24=IFCLOCALPLACEMENT($,#9);
+#25=IFCBUILDING('1OVAxRnKLDefm1osVZTyj9',#5,'My building',$,$,#24,$,$,.ELEMENT.,$,$,$);
+#26=IFCLOCALPLACEMENT(#24,#9);
+#27=IFCBUILDINGSTOREY('1Oa4U3ZhP4BRUc5VKCZdex',#5,'Ground floor',$,$,#26,$,$,.ELEMENT.,$);
+#28=IFCRELAGGREGATES('3jJrISFX90J8nb31_ujwCP',#5,$,$,#25,(#27));
+#29=IFCRELAGGREGATES('3EJBmZ_6111xKn8Hn2IDBS',#5,$,$,#23,(#25));
+#30=IFCCARTESIANPOINT((0.4375,-0.765625,0.1640625));
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+#2045=IFCRELCONTAINEDINSPATIALSTRUCTURE('1jitzMDZz0RQONEZEudWZx',#5,$,$,(#2044),#27);
+ENDSEC;
+END-ISO-10303-21;
diff --git a/src/ifcblenderexport/schema/ifc_types_IFC4.json b/src/ifcblenderexport/schema/ifc_types_IFC4.json
new file mode 100644
index 0000000000..138c02a0c8
--- /dev/null
+++ b/src/ifcblenderexport/schema/ifc_types_IFC4.json
@@ -0,0 +1,141 @@
+{
+    "IfcBSplineCurveForm": "string",
+    "IfcBSplineSurfaceForm": "string",
+    "IfcBooleanOperator": "string",
+    "IfcKnotType": "string",
+    "IfcNullStyle": "string",
+    "IfcPreferredSurfaceCurveRepresentation": "string",
+    "IfcSIPrefix": "string",
+    "IfcSIUnitName": "string",
+    "IfcSurfaceSide": "string",
+    "IfcTextPath": "string",
+    "IfcTransitionCode": "string",
+    "IfcTrimmingPreference": "string",
+    "IfcAbsorbedDoseMeasure": "float",
+    "IfcAccelerationMeasure": "float",
+    "IfcAmountOfSubstanceMeasure": "float",
+    "IfcAngularVelocityMeasure": "float",
+    "IfcAreaDensityMeasure": "float",
+    "IfcAreaMeasure": "float",
+    "IfcBoolean": "bool",
+    "IfcBoxAlignment": "string",
+    "IfcCardinalPointReference": "float",
+    "IfcContextDependentMeasure": "float",
+    "IfcCountMeasure": "float",
+    "IfcCurvatureMeasure": "float",
+    "IfcDate": "string",
+    "IfcDateTime": "string",
+    "IfcDayInMonthNumber": "float",
+    "IfcDayInWeekNumber": "float",
+    "IfcDescriptiveMeasure": "string",
+    "IfcDimensionCount": "float",
+    "IfcDoseEquivalentMeasure": "float",
+    "IfcDuration": "string",
+    "IfcDynamicViscosityMeasure": "float",
+    "IfcElectricCapacitanceMeasure": "float",
+    "IfcElectricChargeMeasure": "float",
+    "IfcElectricConductanceMeasure": "float",
+    "IfcElectricCurrentMeasure": "float",
+    "IfcElectricResistanceMeasure": "float",
+    "IfcElectricVoltageMeasure": "float",
+    "IfcEnergyMeasure": "float",
+    "IfcFontStyle": "string",
+    "IfcFontVariant": "string",
+    "IfcFontWeight": "string",
+    "IfcForceMeasure": "float",
+    "IfcFrequencyMeasure": "float",
+    "IfcGloballyUniqueId": "string",
+    "IfcHeatFluxDensityMeasure": "float",
+    "IfcHeatingValueMeasure": "float",
+    "IfcIdentifier": "string",
+    "IfcIlluminanceMeasure": "float",
+    "IfcInductanceMeasure": "float",
+    "IfcInteger": "float",
+    "IfcIntegerCountRateMeasure": "float",
+    "IfcIonConcentrationMeasure": "float",
+    "IfcIsothermalMoistureCapacityMeasure": "float",
+    "IfcKinematicViscosityMeasure": "float",
+    "IfcLabel": "string",
+    "IfcLanguageId": "string",
+    "IfcLengthMeasure": "float",
+    "IfcLinearForceMeasure": "float",
+    "IfcLinearMomentMeasure": "float",
+    "IfcLinearStiffnessMeasure": "float",
+    "IfcLinearVelocityMeasure": "float",
+    "IfcLogical": "bool",
+    "IfcLuminousFluxMeasure": "float",
+    "IfcLuminousIntensityDistributionMeasure": "float",
+    "IfcLuminousIntensityMeasure": "float",
+    "IfcMagneticFluxDensityMeasure": "float",
+    "IfcMagneticFluxMeasure": "float",
+    "IfcMassDensityMeasure": "float",
+    "IfcMassFlowRateMeasure": "float",
+    "IfcMassMeasure": "float",
+    "IfcMassPerLengthMeasure": "float",
+    "IfcModulusOfElasticityMeasure": "float",
+    "IfcModulusOfLinearSubgradeReactionMeasure": "float",
+    "IfcModulusOfRotationalSubgradeReactionMeasure": "float",
+    "IfcModulusOfSubgradeReactionMeasure": "float",
+    "IfcMoistureDiffusivityMeasure": "float",
+    "IfcMolecularWeightMeasure": "float",
+    "IfcMomentOfInertiaMeasure": "float",
+    "IfcMonetaryMeasure": "float",
+    "IfcMonthInYearNumber": "float",
+    "IfcNonNegativeLengthMeasure": "float",
+    "IfcNormalisedRatioMeasure": "float",
+    "IfcNumericMeasure": "float",
+    "IfcPHMeasure": "float",
+    "IfcParameterValue": "float",
+    "IfcPlanarForceMeasure": "float",
+    "IfcPlaneAngleMeasure": "float",
+    "IfcPositiveInteger": "integer",
+    "IfcPositiveLengthMeasure": "float",
+    "IfcPositivePlaneAngleMeasure": "float",
+    "IfcPositiveRatioMeasure": "float",
+    "IfcPowerMeasure": "float",
+    "IfcPresentableText": "string",
+    "IfcPressureMeasure": "float",
+    "IfcRadioActivityMeasure": "float",
+    "IfcRatioMeasure": "float",
+    "IfcReal": "float",
+    "IfcRotationalFrequencyMeasure": "float",
+    "IfcRotationalMassMeasure": "float",
+    "IfcRotationalStiffnessMeasure": "float",
+    "IfcSectionModulusMeasure": "float",
+    "IfcSectionalAreaIntegralMeasure": "float",
+    "IfcShearModulusMeasure": "float",
+    "IfcSolidAngleMeasure": "float",
+    "IfcSoundPowerLevelMeasure": "float",
+    "IfcSoundPowerMeasure": "float",
+    "IfcSoundPressureLevelMeasure": "float",
+    "IfcSoundPressureMeasure": "float",
+    "IfcSpecificHeatCapacityMeasure": "float",
+    "IfcSpecularExponent": "float",
+    "IfcSpecularRoughness": "float",
+    "IfcTemperatureGradientMeasure": "float",
+    "IfcTemperatureRateOfChangeMeasure": "float",
+    "IfcText": "string",
+    "IfcTextAlignment": "string",
+    "IfcTextDecoration": "string",
+    "IfcTextFontName": "string",
+    "IfcTextTransformation": "string",
+    "IfcThermalAdmittanceMeasure": "float",
+    "IfcThermalConductivityMeasure": "float",
+    "IfcThermalExpansionCoefficientMeasure": "float",
+    "IfcThermalResistanceMeasure": "float",
+    "IfcThermalTransmittanceMeasure": "float",
+    "IfcThermodynamicTemperatureMeasure": "float",
+    "IfcTime": "string",
+    "IfcTimeMeasure": "float",
+    "IfcTimeStamp": "float",
+    "IfcTorqueMeasure": "float",
+    "IfcURIReference": "string",
+    "IfcVaporPermeabilityMeasure": "float",
+    "IfcVolumeMeasure": "float",
+    "IfcVolumetricFlowRateMeasure": "float",
+    "IfcWarpingConstantMeasure": "float",
+    "IfcWarpingMomentMeasure": "float",
+    "aggregateType": "string",
+    "logical": "string",
+    "List-IfcCompoundPlaneAngleMeasure": "string"
+}
diff --git a/src/ifcblenderexport/template.ifc b/src/ifcblenderexport/template.ifc
new file mode 100644
index 0000000000..6272ccaab2
--- /dev/null
+++ b/src/ifcblenderexport/template.ifc
@@ -0,0 +1,27 @@
+ISO-10303-21;
+HEADER;
+FILE_DESCRIPTION(('ViewDefinition [CoordinationView]'),'2;1');
+FILE_NAME('$filename','2019-05-12T12:33:45',('$owner','$email'),('$company'),'IfcOpenShell','IfcOpenShell','');
+FILE_SCHEMA(('IFC4'));
+ENDSEC;
+DATA;
+#1=IFCPERSON($,$,'$owner',$,$,$,$,$);
+#2=IFCORGANIZATION($,'$company',$,$,$);
+#3=IFCPERSONANDORGANIZATION(#1,#2,$);
+#4=IFCAPPLICATION(#2,'0.0.1','Blender BIM IFC','118df2cf_ed21_438e_a41');
+#5=IFCOWNERHISTORY(#3,#4,$,.ADDED.,$,#3,#4,1557664425);
+#6=IFCDIRECTION((1.,0.,0.));
+#7=IFCDIRECTION((0.,0.,1.));
+#8=IFCCARTESIANPOINT((0.,0.,0.));
+#9=IFCAXIS2PLACEMENT3D(#8,#7,#6);
+#10=IFCDIRECTION((0.,1.,0.));
+#12=IFCDIMENSIONALEXPONENTS(0,0,0,0,0,0,0);
+#13=IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);
+#14=IFCSIUNIT(*,.AREAUNIT.,$,.SQUARE_METRE.);
+#15=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);
+#16=IFCSIUNIT(*,.PLANEANGLEUNIT.,$,.RADIAN.);
+#17=IFCMEASUREWITHUNIT(IFCPLANEANGLEMEASURE(0.017453292519943295),#16);
+#18=IFCCONVERSIONBASEDUNIT(#12,.PLANEANGLEUNIT.,'DEGREE',#17);
+#19=IFCUNITASSIGNMENT((#13,#14,#15,#18));
+ENDSEC;
+END-ISO-10303-21;
diff --git a/src/ifcblenderexport/untitled.blend b/src/ifcblenderexport/untitled.blend
new file mode 100644
index 0000000000..b153db62cc
Binary files /dev/null and b/src/ifcblenderexport/untitled.blend differ