Hand Method
Place your sheet of paper on a Cutting Mat.
Place a ruler along the line you wish to perforate. (if the line is curved, you can cut a cardstock or plastic "guide" to use.)
Press the point of a large-headed Quilting Pin through the paper every 1/16th of an inch or less along your line.
Make a Tool - Method #1
Obtain a rotary pizza cutter.
Mark 5 degree increments along the outer edge with permanent marker.
File or grind away the edge between the marks using a Dremel bit or a hand file.
Leave small, sharp edges/points every 5 degrees.
Roll your tool along the line to be perforated.
Make a Tool - Method #2
Obtain a rotary Pizza or Pastry cutter.
Mark 5 degree increments along the outer edge with Permanent Marker.
Place sewing pins in a radial pattern so that their points overlap the edge by approximately ⁄4 inch (0.6 cm).
Attach the pins to the rotary cutter by one of the following methods: Superglue (will break of used on anything thicker than a single layer of construction paper) Spot Welding (Can last a very long time) Duct tape (can use only a few times on thin paper)
Roll your tool along the line to be perforated.
Easy Method
Get a pattern tracing wheel and use it to draw a line across your paper.
The tracing wheel has small spikes on it, so it will make tiny holes on the line, making it easy to tear paper.
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