Ender 3 Max Dual Z upgrade

thingiverse

This is my take on Ender 3 Max dual Z axis update. I did use closed loop belt 852mm from here: https://www.aliexpress.com/item/32971350055.html Belt tensioner (or belt cut to size - glued and sawn): https://www.thingiverse.com/thing:4796015 also possible elbow type belt tensioner https://www.thingiverse.com/thing:4020761 Mounting bracket: https://www.thingiverse.com/thing:4625216 T8 lead screew 500 mm: https://www.aliexpress.com/item/32970128435.html 20T 8mm black pulleys: https://www.aliexpress.com/item/32969561177.html Ender 3 Z axis fixing block: https://www.aliexpress.com/item/1005001942282701.html M4 8 mm long screews + M4 T nuts (10 pcs - 4 needed): https://www.aliexpress.com/item/1005002512429285.html https://www.aliexpress.com/item/1005003657085601.html