Fix #2528. Setting x angle on slabs now only affects the X euler angle

src/blenderbim/blenderbim/bim/module/model/slab.py

@@ -176,8 +176,7 @@ class DumbSlabGenerator:
             obj.matrix_world = matrix_world
             bpy.context.view_layer.update()
             self.collection.objects.link(obj)
-            rotation = mathutils.Matrix.Rotation(self.x_angle, 4, 'X')
-            obj.matrix_world = rotation
+            obj.matrix_world = Matrix.Rotation(self.x_angle, 4, 'X')
 
         element = blenderbim.core.root.assign_class(
             tool.Ifc,

src/blenderbim/blenderbim/bim/module/model/wall.py

@@ -294,8 +294,12 @@ class ChangeExtrusionXAngle(bpy.types.Operator, tool.Ifc.Operator):
                     is_global=True,
                     should_sync_changes_first=False,
                 )
-                rotation = mathutils.Matrix.Rotation(x_angle, 4, "X")
-                obj.matrix_world = rotation
+
+                euler = obj.matrix_world.to_euler()
+                euler.x = x_angle
+                new_matrix = euler.to_matrix().to_4x4()
+                new_matrix.col[3] = obj.matrix_world.col[3]
+                obj.matrix_world = new_matrix
         if wall_objs:
             DumbWallRecalculator().recalculate(wall_objs)
         return {"FINISHED"}