Professional 8-in-1 Radius Jig Set (High-Precision Woodworking)
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- Printables
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- Tools
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- Creative Commons — Public Domain
Professional 8-in-1 Radius Jig Set (High-Precision Woodworking)
Engineered by a Senior Plastic Design Expert with 30+ years of experience using Siemens NX.
This is a professional-grade set of two multi-radius jigs, designed to provide 8 different rounding options for your woodworking projects. Designed from scratch with industrial standards, these jigs are optimized for use with trim routers and hand routers equipped with a flush-trim bearing bit.
Unlike generic templates, these jigs feature reinforced geometry to ensure they remain perfectly flat and rigid under clamping pressure, guaranteeing a flawless finish every time.
The Set Includes 2 Multi-Jigs (8 Radii Total):
Jig A (Large Radii): R16, R20, R24, R28 (mm)
Jig B (Small Radii): R6, R8, R10, R12 (mm)
Professional Engineering Details:
Senior Expertise: As a specialist in the plastic and injection molding industry, I’ve applied 30 years of knowledge to ensure these tools have the correct wall thickness and stress distribution.
Siemens NX Precision: Every curve is mathematically perfect. There are no "faceted" edges; the bearing of your router will glide smoothly for a mirror-like finish on the wood.
Ergonomic Safety: The central handle area is designed for secure clamping and a safe hand position away from the cutting zone.
Material Efficiency: Engineered to be lightweight yet indestructible, saving you filament while providing a tool-grade accessory.
Printing Recommendations:
To ensure the edges resist the friction of the router bearing:
Top Choice: PETG-CF (Carbon Fiber) for maximum rigidity.
Alternatives: ASA or PETG. (Avoid PLA for long-term workshop durability).
Perimeters: 5-6 Walls (This is crucial: the edge must be solid for the bearing to follow).
Infill: 30-40% (Gyroid).
Layer Height: 0.15mm - 0.2mm for a smooth "bearing-ready" surface.
Why this design?
In professional woodworking, accuracy is everything. I created this set because I needed a reliable, 8-in-1 solution that wouldn't flex or wear down. This is an industrial-grade tool designed by an engineer, for makers who demand the best.