Pulled from Thingiverse, by Piwiso It's not difficult to print, just level ur bed and go. It uses 8x2x1 mm o-ring seals. (Inner diam x thickness x height) Print Settings Printer brand: Creality Printer: Ender 3 Rafts: No Supports: No Resolution: 200 Infill: 20 Filament brand: Flashforge Filament color: Green Filament material: PLA