Rasterization draws entire shapes — triangles, lines and rectangles ... more flexible than racing the beam. Using rasterized graphics, you can draw almost anything, from a simple circle ...

Use a pen to draw a dot where the vertical lines meet ... ends of the line to the dot – you now have a regular equilateral triangle.

to meet at the third vertex of the triangle. Place compass point at point R, and draw an arc using compass opened to 8 cm, so as to cross the first arc. Label the point where these arcs cross ...