Tarantula Belt Driven Z axis

A simple and inexpensive way to get perfect prints, first time, any time ! Forget useless printed brackets and dual lead screws : a belt driven system is the way to go, definitely. BOM : 1x GT2 20T pulley 1x GT2 20T idler pulley 1x GT2 80T belt loop 1m GT2 6mm belt 1x M5*30mm Hex screw 3x M5 grover washers 1x M5 Nylstop nut 2x MF105 bearings 1x 6mm bronze spacer (or a stack of washers) 4x M310mm DIN9128x M410mm button head hex screws8x M4 T-nuts for 2020 6mm aluminum profile* 1x Nema17 motor (17hs4401 recommended)()Reclaimed from outdated Tarantula z-axis and extra spare parts in the kit Assembly video : https://youtu.be/IgWcZoRDe20 The mounting for the E3D Titan + V6 + 5015 fan can be found here : https://www.thingiverse.com/thing:2624164 June 3th 2018 : I recently had a talk with a maker who experienced a small fall of the gantry at the end of the printing sequence. Here was my answer : "When the holding current of the Z motor is turned off, the gantry overall weight exceed the m