Cross profile with carve node in Houdini

Cross profile with carve node

(easy cut through geo, does not work on polygons, so geo needs to be converted) add torus node add subdivide node depth: 3 add mountain node add convert node convert to nurbs surface add carve node first V: start point second V: end point add convert node convert to polygon

for volumes

add volume slice node and use offset slider to adjust the plane