For folks who missed the original, it was at:
but @Tod1d 's discussion above is spot-on.
I suppose someone who was better at math could work up an elegant solution for this sort of thing in OpenSCAD or METAPOST or some similar tool.
For folks who missed the original, it was at:
but @Tod1d 's discussion above is spot-on.
I suppose someone who was better at math could work up an elegant solution for this sort of thing in OpenSCAD or METAPOST or some similar tool.