This $0.01 simple protractor will let you measure 90, 135, 180, 225, & 360 degree angles! It is so simple!

Step 1: Collect Materials

All you need is a piece of paper and a pencil.

Step 2: Fold

Fold the piece of paper just like in the picture.

Step 3: Mark the Angles

Mark the angles just like in the picture. You now have a protractor!

Step 4: Get Measuring!

Now you can start to measure with your simple protractor!

About This Instructable




Bio: I love instructables and makezine. My dream is to one day attend the World Maker Faire in NYC. I like to mess around with electronics ... More »
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