If you have a decade-old archive of Z3D models, you cannot simply drag them into Unity, Unreal Engine, or Blender 2.9+. You need a Z3D to OBJ converter to extract the raw geometric data.

The Z3D file format is used by the popular 3D modeling software, ZBrush, to store 3D models and their associated data. On the other hand, the OBJ file format is a widely-supported format used for 3D model exchange between various software applications. In this guide, we will walk you through the process of converting Z3D files to OBJ format using various methods.

MeshLab is an open-source system for processing triangular meshes. While it does not directly import Z3D, you can rename a Z3D file to .3ds or .ply if it’s actually a mislabeled container (rare, but happens). Otherwise, pair MeshLab with Assimp.