After this tutorial, we are still working on the basic ways of making contouring easier in Grasshopper. This is the updated version of the 2-year-old contouring definition in Grasshopper, with some additional functionality. It produces a flat and properly numbered output for each section. However, it does not include optimized nesting to reduce material use.

Here is the Grasshopper definition (don’t left click, use right click and “save” option) [GHX: 0.9.0076] and the Rhino test file [3DM: Rhino 5].