How to Make Your Own Distance Computer

Step 1: Download and print out the image file.(The distance computer image.)

Step 2: Cut out the circular patterns.Cutting out the computer pieces

Step 3: CAREFULLY punch holes in the center of each circle (marked by the cross).Punching the center hole

Assembling the distance computer.

Step 4: Fasten the two circles together with a paper brad.

paper brads

The inner circle should turn freely and be centered within the outer circle. Your computer should look something like this:

Finished distance computer