# no. of objects: pipea rectangular channel and a pipe 2 # ibfn ishape 1 7 solid rectangle by coordinates 2.0 3.0, 0.0 1.0, 0.0 1.3 0 3 horizontal hollow cylinder 2. 0.5 0.2, 0.1 3. 0.5 0 (xc1,yc1,zc1) and rc,xc2,yc2