Hi,

to make old projects more easily maintainable, I sometimes wish to be able
to extrude in the xz or yz plane. And today I made modules for it.
https://github.com/benjaminwand/_extrude/blob/master/_extrudes.scad
The 'center' works like for cylinders.

If people have ideas how to develop it further I'd be happy to hear about
it, and I'm equally happy to just share it. If that ever becomes a normal
feature in OpenSCAD in the future I'd be delighted.

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Could be useful.

I have a similar issue, but opposite. I need to do projections along other
planes than the XY-plane. The reason is that I have a lot of older designs
which I want to divide into pieces suitable for laser cutting, and the way
the old code is structured, it's awkward. Doable (a few rotations and
translations, projection, then move the original object back again), but not
neat. It would be neat to have that encapsulated in neat modules.

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