This is a nice tip that was posted as a comment in the Wishlist:
https://community.graphisoft.com/t5/Wishlist/Partial-Structure-Display-option-to-hide-quot-Core-quot-skins-of/idc-p/656430/highlight/true#M2178
Kudos to @Moreno for the tip. Let me copy...
Apparently, an ARCHICAD - SPECKLE Connector is in the works:
https://speckle.community/t/archicad-connectors/1499/24 (The image is
not mine, its original can be found in the above discussion.)
The Archicad-Grasshopper connection cannot modify geometry that it did
not create. So, any geometry you bring into Rhino-Grasshopper from
Archicad with the relevant components can only serve as a reference
geometry, based on which you will need to cr...
Try to model the bottom part of the profile using 5 points instead of 3
points. At the bottom, the middle 3 points should be very close
together, so much so that they are in the same place (I don't know if
the Profile Manager will let you do that, if...