3di Unlocker [LEGIT × HANDBOOK]

The output should be a .obj (geometry) and .mtl (materials). Do not attempt to save back to .3di —that is where most legal trouble begins.

Search for a converter that targets only geometry extraction. For example, a Python script that uses py3di library to dump vertices and faces. 3di unlocker

Assume you have a hard drive of locked .3di files from a 2008 Intergraph Plant Design System. You own the data but no longer have the software license. The output should be a