ifcsverchok - node to convert sverchok geometry to ifc

Example - https://files.catbox.moe/wecgw9.mp4

src/ifcsverchok/__init__.py

@@ -120,6 +120,7 @@ def nodes_index() -> list[tuple[str, list[tuple[str, str]]]]:
                 ("ifc.shape_builder.representation", "SvIfcSbRepresentation"),
                 ("ifc.shape_builder.test", "SvIfcSbTest"),
                 ("ifc.shape_builder.shape_output", "SvSbShapeOutput"),
+                ("ifc.shape_builder.mesh", "SvSbMesh"),
             ],
         ),
     ]

src/ifcsverchok/nodes/ifc/shape_builder/mesh.py

@@ -0,0 +1,52 @@
+# IfcSverchok - IFC Sverchok extension
+# Copyright (C) 2022 Martina Jakubowska <martina@jakubowska.dk>
+#
+# This file is part of IfcSverchok.
+#
+# IfcSverchok is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcSverchok is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with IfcSverchok.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+import sverchok.core.sockets
+from ifcsverchok.nodes.ifc.shape_builder.representation import ShapeBuilder
+from sverchok.node_tree import SverchCustomTreeNode
+
+import ifcsverchok.helper as helper
+
+
+class SvSbMesh(bpy.types.Node, SverchCustomTreeNode, helper.SvIfcCore):
+    bl_idname = "SvSbMesh"
+    bl_label = "IFC Mesh"
+
+    def sv_init(self, context):
+        helper.create_socket(self.inputs, "Vers", socket_type=sverchok.core.sockets.SvVerticesSocket)
+        helper.create_socket(self.inputs, "Pols")
+        helper.create_socket(self.outputs, "Representation Item", data_type="list[list[ifcopenshell.entity_instance]]")
+
+    def process(self):
+        ifc_file = helper.get_file()
+
+        vertices: list[[list[float]]] = helper.get_socket_value(self.inputs, "Vers", value_type="CONTAINER")
+        polygons: list[[list[int]]] = helper.get_socket_value(self.inputs, "Pols", value_type="CONTAINER")
+
+        builder = ShapeBuilder(ifc_file)
+        mesh = builder.mesh(vertices, polygons)
+        helper.set_socket_value(self.outputs, "Representation Item", mesh)
+
+
+def register():
+    bpy.utils.register_class(SvSbMesh)
+
+
+def unregister():
+    bpy.utils.unregister_class(SvSbMesh)