Mesh Welding and Repair for 3D Printing

A 3D model can look fine and still fail when it reaches the slicer. Broken meshes may be rejected entirely. Overlapping wires may look connected, but still behave like separate geometry. Thin or loose structures can become fragile once printed. https://medium.com/@chris.ahrweiler/mesh-welding-and-repair-for-3d-printing-9d5e2cbca3d7