Prusa I3 Hephestos improved Z axis brackets

thingiverse

Improved Prusa I3 Hephestos Upper Z-Axis Bracket Redesign.\nUsing precision-crafted ball bearings significantly reduces the erratic motion of the Z-axis jackscrew, resulting in enhanced printing accuracy and precision.\n\nAssembly Instructions\nTwo high-precision ball bearings measuring 10x5x4mm or equivalent are required for optimal performance.\nGently insert the ball bearings into the upper bracket using a flathead screwdriver to prevent damage to the delicate printed parts. For the best results, use a settings configuration of Cura as follows: Layer Thickness: 0.2mm, Shell Thickness: 1.2mm, and Wall Top/Bottom Thickness: 0.6mm with an infill density setting of 40%.\nDelight in your precision-printed models!