SummaryAn awesome design that works by simply screwing a bearing (same part file) into the center hole of a 5" gear. The gear will spin freely around the bearing and even mesh with its duplicates. All gears in the photo provided turn with the simple spin of any gear. Please post photos of your makes!Print SettingsPrinter: Flash Forge Creator Pro Rafts: Doesn't MatterSupports: Doesn't MatterResolution: .2Infill: 25%InstructionsBoth the gear and bearing print on the same print operation for faster printing. ABS: extruder: 220 degrees celcius, Platform: 110 degrees celcius