Commands

points

how many, 3–3600, or corners x y, …

r

radius from angle t

turn

laps around the circle

x, y

coordinates from t

t

reshapes the angle

rotate

degrees, counterclockwise

frame

outline thickness

scale

factor, or x y

fill-rule

nonzero or evenodd

move

offset x y, y points up

mirror

reflects, x or y

round

corner radius

grow

pushes the outline out

text

letters as the outline, in font

path

SVG path data as the outline

Shapes

star 6 .3;

a preset and its arguments

circle { … }

a shape of its own

union { … }

also subtract, intersect, exclude

smooth

rounds where shapes meet

circle#a { … }

kept for #a to draw

#a*6 { … }

six copies, each with n

In equations

t

the angle, 0 to 2π

seq(a, b, …)

cycles values

i

the point index, from 1

range(a, b)

runs from a to b

k: 5;

declares a variable

sin, pow, π

any Math function