LOGO Challenge 2 - Diamonds Are Forever

It is useful to feel comfortable using procedures, though if you have not met procedures before- this might help you feel why they might be useful. More about procedures can be found in FIRST FORWARD 6 and in the next challenges.

The challenge is to produce elegant solutions to the problem. Elegance here implies simplicity. The focus is on rhombi. Or:

REPEAT 2 [ FD 40 RT 60 FD 40 RT 120]

The design below is part of tile seen in a shop - sadly now closed, at King's Cross in London. Can you generate it in as elegant a fashion as possible?

You can download some excellent free LOGO software from the internet at http://fmslogo.sourceforge.net/.