4040 Aluminium Profile Brackets 3D model preview
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About this 3D model

It could be printed from PLA, PAHT-CF, ABS, or any other strong material. I don’t recommend PETG since it’s a bit flexible, but if you add more perimeters, it can work well too. For stronger materials, fewer perimeters are needed—something like 6. For PLA, I strongly recommend using 12 perimeters.