Thingiverse
Structural PVC connector
door ruarri
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Replacement for formufit fittings that I've been using. Some structural reinforcement is added since it is 3D printed. Note that the "hub" is customizable with different number of elements. It really is designed for 4 or more connections.
Note that PVC outer diameter (OD) is well controlled because pipe parts need to fit parts from different manufacturers. Our 3D printers are not quite as controlled. Inscribed polygons are used to provide some flexibility to match the OD of the pipe. Dial the tolerance value as needed to obtain a friction fit. 0.25 mm works for me!
Remixing might include making the supports as triangles to minimize material, removal of the central port, or placement of guide holes for drilling.
Note that PVC outer diameter (OD) is well controlled because pipe parts need to fit parts from different manufacturers. Our 3D printers are not quite as controlled. Inscribed polygons are used to provide some flexibility to match the OD of the pipe. Dial the tolerance value as needed to obtain a friction fit. 0.25 mm works for me!
Remixing might include making the supports as triangles to minimize material, removal of the central port, or placement of guide holes for drilling.
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