STEP 1 - CIRCLE AND DIAMETER: Draw a circle and a vertical line through its centre. ... STEP 2 - BISECT DIAMETER: Set your compass to the diameter of the circle.

When you need to draw large circles and rounded corners, you can build your own compass on the cheap.

STEP 1: Using a pencil and ruler, draw a horizontal line. Set the compass to the width of the line. Place the compass at either end of the line and draw two arcs that cross in the middle. Image ...