Instructions: Practice drawing half-circles.

Materials: Drawing paper and drawing implements such as pencils, fine-tipped pens or markers, or charcoal.

Keywords: Half-circle

Step 1: Draw a half-circle as shown below.

Step 2: Add an additional half-circle to make a full circle.

Step 3: With a fresh piece of paper, draw anything you wish, but incorporate at least one half-circle and one crescent into your artwork. Use glue, scissors, colored paper, markers, paint, or anything else you desire to create your artwork.

See below 'Arbelos Sculpture' in the Netherlands' by artist Ruud van de Ven. How many half-circles do you see?