Thu Sep 14, 2017 2:24 am
It is not impossible to achieve the cross in the timber but you either need to know a bit of GDL to script the timber beam objects or have an accessory that already has had this done for you.
I just found an old CADimage roof accessory and the roof battens do show a cross in 3D/section.
This is achieved by scripting in two triangular beams as well as the rectangular beam (it could be done with 4 triangular beams as well) to achieve the edges that form the cross.
I guess it could be done with a PLANE as well.
See attached image where I have turned off some of the parts of the beams.
The wall accessory that comes from Graphisoft is not scripted in this way and you would need to be pretty conversant with GDL to make the changes (if it is possible).
There may be other framing accessories available but I am not aware of them as I don't have a lot of need for them.
In my opinion it is far easier to get the bulk of the model done in 3D and then embellish the sections with a little line work or overlay objects to achieve the look you want.
You can also create your own beam and column complex profiles by creating 4 triangular fills to form the cross.
The trick is to duplicate your fill and give it a new name as each adjacent fill must be different or they will simply merge back into one.
i.e. they must be the same fill but with different names.
But of course this means you must place each beam and column individually to form your frame.
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