PartMaster 14.0.1013.0 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program is included in Photo & Graphics Tools.
We recommend checking the downloaded files with any free antivirus. This software was originally created by Dolphin CadCam Systems Ltd. This PC software works fine with 32-bit versions of Windows XP/7/8/10/11. The most popular versions of the PartMaster are 14.0 and 13.1. The program's installer is commonly called Dcad.exe or Dpost.exe etc.
From the developer:
PartMaster Milling STD is a system designed to create accurate, complete programs for CNC Mills and Machining Centres, both vertical and horizontal. Advanced Machining functions include: merge from top to bottom contour, surface of revolution, surface defined by 2 curves, Z-Axis profiling and ramp down options.
You may want to check out more software, such as Dolphin PartMaster CAD, which might be related to PartMaster.