Cut hole for router bit.
Remove router base plate and mount circle guide with screws Place screw in pivot hole through holes, for desired radius.
STEP 1: Make the templates.
Screw MDF to scrap plywood.
templates template a crcu--cuttwg GLIDE
Rout arc through MDF to form two templates.
Wood screw makes pivot point.
Cut straight kerf with saw.
STEP 2: Rout recess at defect.
Run bit's pilot bearing agatfist template to rout recess.
STEP 3: Rout the patch.
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THIS book is one of the series of Handbooks on industrial subjects being published by the Popular Mechanics Company. Like Popular Mechanics Magazine, and like the other books in this series, it is written so you can understand it. The purpose of Popular Mechanics Handbooks is to supply a growing demand for high-class, up-to-date and accurate text-books, suitable for home study as well as for class use, on all mechanical subjects. The textand illustrations, in each instance, have been prepared expressly for this series by well known experts, and revised by the editor of Popular Mechanics.