Quote Originally Posted by A_Camera View Post
60x20 extrusions... that is for 3D printer, not for a CNC. I would definitely not call that "Mini Muscle". Mini is right, but where is the "muscle"? Also that Z is, even if it uses ball screw, it is still using unsupported curtain rods. I'd be very careful with that machine... I think it promises more than it delivers.
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I think you'll find that the only unsupported rais it has are on the Z axis, but even having siad that there are FOUR of them spaced a good distance apart and held between FOUR X axis colums which in turn run on yet another FOUR supported rails.

Col.