box b 1 1 1 
profile pp c 0.3 180 ww
trotate pp 0 0.15 0 0 1 0 -90
ttranslate pp 0.3 0.3 0.9
plane pl 0.3 0.6 1 -1 0 0
featlf b pp pl 0.3 0 0 -0.2 0 0 1 1
featperform lf result

set square 6.25145