A satisfying print-in-place planetary gear fidget featuring a central sun gear, rotating planet gears, and a captive outer ring. Turn any part of the mechanism and watch the entire gear system move together. Fully customizable through Makerlab's Parametric Model Maker or OpenSCAD.

Features

• Fully print-in-place
• No supports required
• No assembly required
• Free for commercial use
• Smooth planetary gear motion
• Comfortable flat outer grip
• Parametric OpenSCAD design
• Adjustable clearances and backlash
• Customizable dimensions and gear settings
• Great as a desk toy, mechanical demonstration, or stress-relief fidget

After printing, gently work each gear back and forth to release any first-layer adhesion. Print-in-place tolerances vary between printers, so the included OpenSCAD parameters can be adjusted for tighter or looser movement.