# cos 72° = .309017
# sin 72° = .951057
# cos 144° = -0.809017
# sin 144° = 0.587785
# 300 cos 72° = 92.7051
# 300 sin 72° = 285.317
# 300 cos 144° = -242.705
# 300 sin 144° = 176.336

ring default width 30 border 4
ring 300 0 450
ring 92.7051 285.317 450
ring -242.705 176.336 450
ring 92.7051 -285.317 450
ring -242.705 -176.336 450