Summary Same Flexistruder version i made on https://www.thingiverse.com/thing:2632323 except, this version was edited to work with a mk8 drive gear. All other details are the same. Included is a regular and reversed version. For further details, setup etc, see the original thing. Hope this is helpful for some. Print Settings Printer: Hypercube, Prusa i3 Rafts: No Supports: Yes Resolution: 0.20 Infill: 40% Notes: Lever Printed on Proto Pasta Carbon Fiber Filament with 0.6mm Nozzle at 100% infill for best strenght.