Forget about triangles and voxels

https://www.alanzucconi.com/2016/07/01/signed-distance-functions/

Unless your 3d engine supports infinite resolution, you're a loser.

>>8

Epsilon–delta limits work just fine on metric spaces. Do you even math?

The ironing. You need complete spaces otherwise the limit can be outside the space and you cannot take the distance between the limit and elements of your series because your distance function must have both arguments from the space.