Notes about the PD3 file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries
, unused processes and other unfavourable system settings to identify slowdown issues.
The PD3 file type is primarily associated with '3ds Max' by Autodesk, Inc.. 3ds max is a 3D modeling, animation, and rendering solution.