template tom

Snowshoe
I am sure there must be some out there wondering how you calculated the size of your template
Tom

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NewMontanaWorkshop

I think I can come up with a description. Here goes.

I started out with some 3/4" plexiglass that was a 'found item'. Rather than seeing it find it's way to the local landfill, I grabbed it and stocked it away for a rainy day. Deciding that I needed a dedicated router table rather than the accessory table mount in my table saw that I had been using, I pulled out the plex and started.

I am putting a PC690 with fixed base in this table, so I grabbed a piece of scrap 1/2" MDF large enough for the template and centered the round baseplate for the 690 in the center of the MDF and marked around the outer edge.

Then I set the router on the MDF with a trim bit mounted. The bit was located to just touch the inside edge of the first circle drawn on the MDF. A mark was then made on the outer edge of the base away from the center of the circle. This was done in 4 different spots. The marks were then measured from the center of the first circle and averaged.

This measurement was set on the trammel and the hole was then cut in the MDF creating the template.