Q: I'm making speaker cabinets that require several round and rectangular holes. I plan to use templates, guide bushings, and my router to do the work. There's only one problem: How do I figure out what size to make the templates?—James Sullivan, Columbus, Ohio
Make jigs for template routing
Template Routing Canadian Woodworking
Fast & Easy Template Routing
4 tips for safer routing
Dovetail Jigs
Slides and Locks to Make Any Template You Need, Woodpeckers Variable Router Jig lets you create a perfectly square router template any size from a
Variable Router Jig
Trend Router Basics Jigs & Templates Trend Tool Technology
Making a complementary routing template - FineWoodworking
Fast & Easy Template Routing
Joinery routing guide
Make an Ajdustable Router Jig for Squares Adjustable Router Template Guide
Made of high hardness aluminum alloy, sturdy and durable in use.Surface treatment: anodic oxidation (non spray),templates are rustproof, dust proof
Set Radius Jig Router Templates,Aluminium Alloy Corner Radius Routing Bit Template,Circle Jigs for Router,Woodworking Corner Radius Jig(R10 R15 R20
Make Complex S-Curves with This Flexible Template - Fine Homebuilding