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one change i'm thinking of making is to have threaded rods for the x and y axis, so to cut back on any backlash that may occur, i'm also thinking of attaching the extruders stepper to the frame instead of in the extruder carriage(sort of like ultimaker) making it lighter with less wires needing to be attached to the moving carriage. also going to make it so that i can interchange between 3d printer, cnc mill, or laser cutter.