Heavy-Duty Woodworking Medium Clamping Square
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Strong, rib-reinforced 90° assembly square designed specifically for bar clamps. Perfect for drawers.
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Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
chieve perfect 90-degree corners every time with this Heavy-Duty Clamping Square series. Unlike basic squares, this design features internal reinforced ribbing, providing maximum structural rigidity while remaining lightweight and filament-efficient.
Engineered for Bar Clamps: The contact surfaces and internal geometry are designed to withstand the high-pressure force of bar clamps, making it a reliable shop aid for both hobbyists and professional woodworkers.
Available Sizes in this Collection:
https://www.printables.com/@rpr_designs_3558885/collections/2934301
Small: 75mm x 75mm (Perfect for jewelry boxes/frames)
Medium: 94mm x 94mm (Great for drawers)
Large: 155mm x 155mm (Ideal for shelving)
Extra Large: 194mm x 194mm (The choice for cabinets)

Recommended Print Settings:
Material: PLA (Excellent stiffness) or PETG (More impact resistant).
Perimeters: 4-6 (This provides the strength for clamping).
Supports: None!
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