#old revolrib1
pcylinder c1 2 5
pcylinder c2 1 3
ttranslate c2 0 0 5
bfuse s c1 c2

vertex v1 -2 0 5
vertex v2 -1 0 8
edge e v1 v2
wire w e
plane pl -2 0 5 0 1 0

featrf s w pl 0 0 0 0 0 1 0.2 0.2 1 1
featperform rf result


checkprops result -s 109.511