The Lynxmotion sprockets are $10 for a pair and constantly out of stock. Rather than waiting a month, FTC Team 9533 decided to redesign it in a 3D printable file. Unfortunately, the .stp file found on Lynxmotion's site is not printable as it isn't solid, watertight etc. We redesigned the model.- Print with at least 4 perimeters and ~15% infill- 2mm Layer Height works well- Print with Supports