profile p x 5 y 1 x -3 y -0.5 x -1.5 y 0.5 x 0.5 y 4 x -1 y -5 
prism pr p 0 0 1
nexplode pr f
depouille pr pr 0 1 0 pr_5 -5 1 1 0 0 1 0
nexplode pr e 
blend pr pr 0.1 pr_13 0.1 pr_8 0.1 pr_5 0.1 pr_19 0.1 pr_22 0.3 pr_30 0.3 pr_18
profile pp x 3.3 c 1 90 y 3.3 ww
plane pl 0 0 0.3 0 0 -1
ttranslate pp 0.5 5.1 0.3
trotate pp 5 5 0.3 1 0 0 180
featlf pr pp pl 0 0 0.3 0 0 -0.2 1 1
featperform lf result

set square 67.8037