So for easier printing and less waste of filament, I split a model into 3 parts and I want to glue them. Should I add an offset of -0.1 or -0.2 to the surface that I will glue the other part to?
If they fit perfectly without glue and you still wish to use glue, a thin layer of glue in selective spots shouldn’t require additional tolerances.
If your glue is thick and you plan on soaking the plug and socket parts, experiment with tolerances.
Personally, I prefer to design a snug fit where glue isn’t required, but that depends on the model, size, weight and stresses.
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Thank you. It’s these two parts.
I added a protrusion for the parts to not move in the z axis when connected.
May I ask why you needed to separate these two parts? They would have printed fine together by the looks of it.