I have been using orca almost from the beginning when the. Users with a valid License Code: Please select.īuilding on Rhino's powerful 3D modeling capabilities, Orca3D provides marine-specific tools for hull. To download a copy of Orca3D for evaluation purposes, please select “Evaluation” from the Download menu above. For those interested here are the steps: 1. After playing around I managed to get it to work for both rh4_sr9 and rh5_sr5.