Thingiverse
Extrude-Transform Polygons: CorkScrew
par syvwlch
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Renosis pointed out that all this extrude/transform OpenSCAD business would render a lot faster (and produce smaller files) if I played directly with polygons. He's right.
I'm not sure how far I can take this new line of inquiry, but for a simple triangle, I can now extrude it along Z while translating and rotating in in the X-Y plane. The seams always match up, it's the exact minimum number of faces, and you can control how smooth you want the object to be directly, kinda like the $fn system variable.
The results compile instantly and render in minutes instead of hours, even for high polycounts, the STLs are tiny (183 kB) and import just fine in OpenSCAD.
I'm not sure how far I can take this new line of inquiry, but for a simple triangle, I can now extrude it along Z while translating and rotating in in the X-Y plane. The seams always match up, it's the exact minimum number of faces, and you can control how smooth you want the object to be directly, kinda like the $fn system variable.
The results compile instantly and render in minutes instead of hours, even for high polycounts, the STLs are tiny (183 kB) and import just fine in OpenSCAD.
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