profile p x 5 y 1 x -4 y 4 x -1 y -5
prism pr p 0 0 1
vertex v2 5 1 0
vertex v1 1 5 0
edge e v1 v2
wire pp e
plane pl 0 0 0 0 0 -1
featlf pr pp pl 0 0 0.3 0 0 0 1 1
featperform lf result


checkprops result -s 53.2971
