support lines

[makc]

they are basically normal geometries without faces, see here

[tdhooper]

This would require a very different approach to what I'm using for triangles, so it's out of scope for this tool.

[makc]

all I did to make it work was this:

I don't see why you couldn't do 'virtual' faces on your side.

[tdhooper]

That's quite wasteful, a lot of work is done to deconstruct and reconstruct faces.