Nice game, Sebastian! :D
And thanks for the insight on how it's made. :)
This was my shortest solution, at 9 commands.
It's pretty stable, as it sticks to flat surfaces as much as possible.
Also, all nicely rounded to whole or half numbers... :P
A5
R4
W7
L5.5
W2.5
R6.5
L2
A5.5
L8.5