[OpenSCAD] Routine to make holes (for weight/material saving)

NateTG nate-openscadforum at pedantic.org
Thu Apr 12 10:52:42 EDT 2018

So the grid thing is basically just a plate with a lot of holes, which is OK. 
(Depending on printer settings it could actually be heavier than a 'solid'
plate, but that's a different topic.)

The thing is when people really want to make something light, they usually
use something like a space frame.  (
https://en.wikipedia.org/wiki/Space_frame )   So you could write something
where you pick out the attachment points that you care about, and it
generates a space frame that holds them together.  One way to generate that
frame is a Delaunay triangulation.
(https://en.wikipedia.org/wiki/Delaunay_triangulation).   Another option
would be an adaptive subdivision algorithm something a bit like
https://github.com/Ultimaker/CuraEngine/issues/381 .

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