3” Wide Gear Lid Box (three distinct lengths)
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A mechanically satisfying, gear-synchronized storage box featuring a unique rotating lid mechanism.
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Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Bring mechanical motion to your organization with the Gear Lid Box. Designed with precision gear-driven side panels, opening the box rotates the integrated gear mechanism smoothly. This model features a 3” width and 1.75” height, and is available in three distinct lengths: 5”, 5.5”, and 6”.
Specifications & Dimensions
Total Box Length: Selected length + 0.25” (including side gears)
Box Width: 3”
Total Height: 1.75” (1.875” total height including the lid)
Wall Thickness: 0.125”
Print Settings
Orientation: Print all parts with their flat profile sides directly on the build plate. Print hinge pins with the head down flat on the build plate.
Material: PLA
Layer Height: 0.12mm to 0.20mm
Wall Loops / Perimeters: 4+ (Extra perimeters add significantly more functional strength than cranking up infill percentages alone).
Infill: 20% or higher (Gyroid or Grid pattern works great).
Supports: Depending on your printer's bridging capabilities, you may need to add supports for specific overhangs.
Hardware & Parts Checklist
Main Body & Lid: Print 1 set of box and lid components for your chosen length.
Alignment Pins: Print 8 total.
Hinge Pins: Print 4 total.
Assembly Instructions
1. Lid Assembly:
Insert alignment pins into gears (requires 8 total alignment pins).
Ensure you match the correct gears to the correct side of the lid.
The alignment peg holes on the gears are spaced slightly different on each side to make orientation foolproof.
Glue the lid and side gears together securely (repeat for both sides x2).
2. Box Assembly:
Test-fit the hinge pins into the box housing.
Pins should form a tight friction fit into the gears, but rotate with a smooth, loose fit into the box body.
Lightly sand contact surfaces if there is too much friction.
Place the completed lid assembly onto the box and insert the 4 hinge pins to lock it into place.
Don't need quite that much room!
Check out my 2.5" wide companion listing here: