Free 3d Model Repair. You repair your stl file by choosing from a list of options that are tailored to common use cases. The cellblender add on provides a mesh analysis tool to check manifoldness and to look for manifold errors.

Several stl repair functions are available in edit mode on the mesh menu on the lower toolbar. I would have preferred it to automatically download it when done but it s only one more click. Back to menu meshmixer.
The cellblender add on provides a mesh analysis tool to check manifoldness and to look for manifold errors.
You simply drag your 3d model into the window and hit repair. Sign in to the netfabb online service. You repair your stl file by choosing from a list of options that are tailored to common use cases. You simply drag your 3d model into the window and hit repair.