Using electrical conduit for a 3D printer frame

electrical-conduit-for-cnc-frame

We’re always on the lookout for parts that can be source locally and that don’t cost a bundle. This hack fits both of those criteria. [Lee Miller] came up with a way to use steel electrical conduit as a 3D printer frame. He recently finished building the device seen above, and has been showing it off at Solid State Depot, a Hackerspace in Boulder, Colorado where he is a member.

Look closely at the corners of the frame in this image and you’ll see the 3D printed parts that make up the clamping mechanism. Each has three components that screw together. The two gaps in between each have a rubber ‘O’ ring. When the plastic clamps are screwed together they squeeze the rings which hold the electrical conduit firmly. This also has the side benefit of dampening vibrations.

It’s certainly easy to find this type of conduit which is sold at every home store (and most hardware stores). Just make sure that you check that a piece is straight when you pick it out. The SCAD files for the parts are available from his Github repo.

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