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!)
Build in 'Cartesian Style Bots' published by MechEng, Jan 17, 2015.
Rigid 3d printer with more than enough room for dual extruders. Easily expandable platform.
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bearwood2 /5,
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