vertex v1 0 0 0
vertex v2 9 0 0
vertex v3 1 1 0
polyvertex w v3 v1 v2 v3
mkplane s w
fixshape  r  s  -maxtaila 10  -maxtailw 1.5

checknbshapes  r  -vertex 1  -edge 1  -wire 1  -face 1  -shell 0  -solid 0  -compsolid 0  -compound 0
checkprops r -l 1.4142135623730949
