Functional Escalator Model

This design has been updated! Check out the improved version here: https://makerworld.com/en/models/175289 Overview A mini, working model of an escalator. Turns via a knob on the top right side. Motorized version available here: https://www.printables.com/model/190972-motorized-mini-desktop-escalator Latest Fusion file: https://a360.co/3JnNqV1 Update 5/12/22: Modified the instructions to (hopefully) make it easier to assemble Update 4/20/22: Tweaked the end plates to reduce potential cracking and increase step clearance Non-printed parts 13 M3x12mm bolts 12 M3 nuts Printed parts Print 64 chain links, 32 steps, and 2 end plates. Print 1 of each of the other parts. It is critical that your printer is well-calibrated precisely leveled before printing these parts. The steps in particular are very sensitive to bed leveling/adhesion. You'll want the first layer to squish only as much as is required to prevent warping; any overextrusion or elephant's foot will prevent the steps from running s