Chris

Seems ambiguous to me. You could offset in either direction and by how much? Also it could be more than one single point. Any point on the y axis that...

It might have to be the dreaded grid's next value to avoid being broken by PolySet.

Yes in 2D integer coordinates should be exact because it uses fixed point 64 bit representation. And even in CGAL I don't get problems stacking cubes if the coordinates are...

I think it must be regression in the 2D system as I only noticed it recently. I used to find it rock solid.

> If I comment out the line "sphere(d = 1);", render function can output > correctly. That is because without the sphere there are CSG operations for CGAL to do,...

Yes but the end of the blind hole might be between two slices.

Yes cubes meeting at an edge are non-manifold. Overlapping them slightly fixes that. ``` tree(rnd(0.6, 0.8, r) * length, 0.8 * thickness, count - 1, m * mt(0, length -...

I think that is due to a well known bug that OpenScad has problems exporting objects with very close vertices.

I used NetFabb Studio to calculate the volume of my mould when I had exactly that use case. I then printed tiny measuring cups to mix exactly the right amount...

If have just come across this warning in my threads library. I have two separate polyhedrons that are the starts and ends of the thread and I intersect them with...