This project is based on commercial devices for the router known as "Daisy pin router". The purpose of these devices is to consistently reproduce letters, shapes or figures on a piece of wood (work) using a template. To this end, the template is provisionally attached to the workpiece, and by guiding the contour of the template against the pin (placed on top) will result in an identical carved at work piece with the bit of the router (placed at bottom).
Instead of the router, a Dremel mounted on an accessory router table fixed to a base is used. The "pin" is a punch of the same caliber of Dremel bit (3/16 ") which is placed on an arm fixed to the base. In order to have a hands-free device, I use a footswitch that controls the on-off.
Thanks, scorch. With these terms (“Daisy pin router”, or just “pin router”) you can find commercial and homemade devices at Youtube and Google, where you’ll also find the way they work, and examples of the possible applications.
You can think of these devices as copiers, both of external and internal shapes, and once you have a template you can make as many exact copies as you wish.
Making such a device with the Dremel is because it will let me do works of smaller size than I could do with the router.
Thanks Al, and you’re right; before I made this jig, I was thinking to make a router pin with a metallic arm attached to the router table and a "horizontal" toggle clamp (placed vertically) to hold and slide the pins (in two or three different diameters, to match the diameter of the router bits), but at the end I gave a try with the Dremel and the router table accessory.
It would appear that your way of mounting the tool under the stock instead of above would be safer as the tool is never exposed. I wonder why typical overarms are not done this way. I have used an overarm many years ago in my fathers cabinet shop, it worked well. You do not see them much anymore, probably due to the commonplace of CNC routers today. We could cut your patterns via CNC mill in my shop if you ever need to.
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