Deleting Redundant Edges from a Solid

[tt_su]

@medeek

Looks like I will need to revisit this topic and see if I can come up with a more general solution.

Iterate over your edges and for any edge connected to two faces, check if they are co-planar:

thomthom/cleanup/blob/eaa4050c7f34d311ae59b50047d07e9f5ef63d2e/src/tt_cleanup/core.rb#L974-L979