Downloading StoneCAD 6.1 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. This free program is a product of Boral Stone Products LLC. The program lies within Photo & Graphics Tools, more precisely 3D Design. The most popular versions of the StoneCAD 6.1 and 5.0. The StoneCAD installer is commonly called Loader.exe or WiseUpdt.exe etc.
From the developer:
StoneCAD is a program intended for designers who have professional applications used to visualize and document building designs - like CAD, or 3D image creation and editing applications.
This program allows you to easily view and select product alternatives from the full range of textures and colors, tour the photo gallery of more than 300 Cultured Stone applications, catalogued by type of project for easy reference.
You may want to check out more software, such as Win4D Advance or Trace Parts, which might be related to StoneCAD.