Cutting Circles In Styrene With A Strait Pin.
K. Childres
While working on a project I needed a circle cut and didn't have a punch that was suitable. I tried using a Number 11 exacto and a circle template but couldn't seem to get good results. After some experimentation I found that using a strait pin with the head cut off and chucked in a pin vise worked great. It was controlable and made a nice clean hole. It's important to do this over a hard surface such as glass or metal to get the cleanest possible cut on the back side. Pins are cheap so replace them often to get the best results.
Step 1, The Tool.

Step 2, The template over styrene...be sure to secure the styrene and the template so they don't shift.

Step 3, Roundy Round.... Take your time and stay tight against the sides...

Step 4, Viola! As with anything it needs a touch of sanding to dress it up but otherwise quite a nice cut.

Step 5, You can even make a minature toilet seat.

I seriously doubt that I am the first person to think of this technique but I hadn't seen it presented before in a tutorial. So if you are so inclined, give it a try and see how easy it is to create circles or any other shape that you have a template of.
Kenneth Childres is getting too old to run.

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