from math import * from turtle import * hideturtle() speed(10) penup() goto(0,-100) pendown() Hoeken = 20 Basis = 300/Hoeken T = 2*cos(pi/Hoeken) Size = Basis/T for k1 in range(Hoeken): forward(Size) left(360/Hoeken) for k2 in range(2*Hoeken): left(180/Hoeken) forward(Basis)