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In this example, the opening has the following properties: For 2D representation: a block consisting of three lines
For 3D representation: a block consisting of an arched doorway, created by making a polyline (see Polyline) and extruding it (see Profile Objects and Face to Face Modifications).
A value was assigned for Height, so that the block will be inserted above the floor.
Remember, the blocks have to be created in advance, and are assigned to the opening in the Opening Properties.
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