Not as rigid as you might think. X gantry needs further support to prevent flexing. Also the flex drive couplings on the Z axis cause too much hysteresis which prevents 1 layer being printed. I am adding 2 extra wheels to the X axis or a 20x60 section would also work. Once I get it printing successfully I will convert to an XZ setup.
Generic Rigid 3D Printer (Currently on 1st Revision!)
Rigid 3d printer with more than enough room for dual extruders. Easily expandable platform.
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