Press k and l to move the degrees (k= - degrees) (l= degrees Left and right to decrease the degrees and Up and down to decrease the degrees space to increase size and b to decrease a stops it moving ( hold down a) Once you get the hang of it you can make really cool patterns and shapes
You could turn the degrees up to 90 then hold down a while setting the steps to 20 then as you release continuously hold down k. Try it with different sizes as well.
