On 19. jan. 2016 18:43, nop head wrote: > Is this easier to follow? Yes, it is much better. Interestingly, I could not figure out what the "dense" code did even though I saw the result. I only figured it out by looking at the generated .csg. Apparently, a spiral polygon is created and extruded in Z. In my code the approach is quite different, the rectangle cross section is swept along a spiral path. Carsten Arnholm

Yes I didn't bother extruding it 1mm because OpenScad shows it 1mm thick anyway in preview and the subject was 2D shapes. On 19 January 2016 at 18:00, Carsten Arnholm <arnholm@arnholm.org> wrote: > On 19. jan. 2016 18:43, nop head wrote: > >> Is this easier to follow? >> > > Yes, it is much better. Interestingly, I could not figure out what the > "dense" code did even though I saw the result. I only figured it out by > looking at the generated .csg. Apparently, a spiral polygon is created and > extruded in Z. In my code the approach is quite different, the rectangle > cross section is swept along a spiral path. > > > Carsten Arnholm > > > _______________________________________________ > OpenSCAD mailing list > Discuss@lists.openscad.org > http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org >