puts "================" puts "OCC1226" puts "The revolution problem reproduced in OCC Samples" puts "================" puts "" vertex v1 0 0 0 vertex v2 50 0 0 vertex v3 50 50 0 edge e1 v1 v2 edge e2 v2 v3 edge e3 v3 v1 wire w e1 e2 e3 mkplane f w revol result f 0 0 30 0 1 0 180 set square 23211.3 set 2dviewer 0