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by thorfab
This is a CoreXY 3D printer design that has some features that should be appealing to many: 1) it uses tubular extrusion (square 20x20mm) Aluminum or Stell so it should be cheaper than T-slot; 2) all the cutting and drilling can be done by hand as the design is very forgiving with straight cuts being unnecessary; just a few holes need to be precisely drilled with a 90 degree jig or a drill press. This version has fixed Y clamps, unlike the 4-point-adjustable clamps I show in another model so the frame must be dead square. This will be eventually built and uploaded to thingiverse/instructables. Enjoy.