Alfawise U20+ Z axis reinforcement
Description
The U20+ frame being so tall, the Z axis suffers from vibrations a lot and so do prints. This is my attempt to make the Z axis a bit more vibration proof. Print the top and bottom parts twice (one for each side) and slot in a 720mm long x 16mm square tube. I personnally used this one: https://www.leroymerlin.fr/v3/p/produits/tube-carre-aluminium-anodise-argent-l-1-m-x-l-1-6-cm-x-h-1-6-cm-e1501604700 Use M4 20 T-nut hammer bolts and M4 10mm screws to install these on the aluminium extrusions of the printer frame. I've included the STEP files to this upload so you can modify the parts to fit any kind of tube you'd like. Feel free to hit me with any question you might have.
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