I have a model of stairs that I want to prepair it for 3d printing. My problem is that the model is a disaster ( has a lot of non_manifold edges and it has to be fixed. So I would like to ask you is there any way to fix that or I have to recreate it from the beginning?
Stairs(rhino5).3dm (2.3 MB)
Stairs.3dm (2.3 MB)