[OpenSCAD] General approach

Alan Cox alan at llwyncelyn.cymru
Mon Jul 8 09:47:10 EDT 2019

> using STL than the difference between double precision and 'rational 
> numbers'. Single precision is equivalent to just 6-7 significant digits.

But if you are speed obsessed you can just fixed point, which is more
stable, means all your operations occur on fixed sized cubes that don't
change with position, and is somewhat easier to vectorise, especially on
low end processors.

Alternatively you use the GPU to do the work.


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