ThreeDimSim 1.5.03 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 lies within Photo & Graphics Tools, more precisely Viewers & Editors.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The latest version of the software can be downloaded for PCs running Windows XP/7/8/10/11, 32-bit. The following version: 1.5 is the most frequently downloaded one by the program users. This program is a product of Havinga Software. TDS.exe is the common file name to indicate the ThreeDimSim installer.
From the developer:
ThreeDimSim is a powerful 3D mechanics simulation and rendering program. A 3D scene is defined by script using simple shapes and imported meshes from 3ds, dxf and stl files. Mechanics of rigid objects are simulated, together with dynamic objects like springs and joints. Simulation includes an automatic exact collision detection and collision simulation.
You may want to check out more software, such as Your Birthday News, SPX Editor or EDraw Soft Diagrammer, which might be related to ThreeDimSim.