Things You'll Need
Hobby knife or box cutter
Teflon (PTFE) sheets are used for a variety of hobby or home improvement projects. Their strength, heat and electrical insulating properties, and low coefficient of friction make them the perfect choice for applications where you need to keep heat-sensitive components near a heat source or where high voltage could pose problems to electronic components. While many suppliers will laser-cut purchased sheets exactly to your specifications, it is sometimes necessary to buy large rectangular pieces and cut them at home.
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Use the ruler and the French curve to draw the shape of the piece that you would like to cut out of the teflon.
Make a preliminary run around the marking you created in step 1 with the hobby knife. This is meant to score the Teflon somewhat so that you will be able to follow the groove to cut through.
Follow the groove made in step 2 with the hobby knife again, this time pressing down more firmly in order to cut deeper into the Teflon.
Repeat step 3 until you have cut through the sheet.
Go slowly, after a few runs you will make it fully through the Teflon.
Be careful when handling sharp hobby knives or box cutters.