Shaft3D 3.0 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. This program is a product of Dimensional Solutions. The software lies within Photo & Graphics Tools, more precisely 3D Design.
The most popular versions among the software users are 3.0 and 2.5. Shaft3D.exe is the common file name to indicate this program's installer. We recommend checking the downloaded files with any free antivirus. Shaft3D can be installed on 32-bit versions of Windows XP/7/8.
From the developer:
Shaft3D is ideal for drilled shafts or caisson type foundations. Completing shaft axial capacity analysis, lateral analysis and concrete design, all in one integrated environment, has never been easier.
Whether you are designing caisson foundations for windmills, transmission lines, utility lines or any other structure requiring drilled pier foundations, Shaft3D will help you complete your projects in minutes.
You may want to check out more software, such as Riptide, Win4D Advance or Abalone, which might be similar to Shaft3D.