Generated part Names (in Layers Properties window) allow easy identification. In addition, BoltGen creates inside-thread-cutters (along with hex-nuts with and without threads). In addition to generating bolts, other functions extend its usefulness.Īvailable Rhinoceros plugins: New Python versions of BoltGen and older Rhinoscript versions BoltGen and external program BoltGenGUI (Graphical User Interface available only on website below) are free programs that create accurate Metric and English machine bolts of any length. It comes in several versions for Windows and one version for MAC computers. BoltGen is a free Rhinoceros Plug-In that generates both Metric and English bolts and screws with nuts if desired.