You can download VacTran 3.47.3 from our software library for free. This program is an intellectual property of Professional Engineering Computations (PEC). The program relates to Photo & Graphics Tools. This download was scanned by our built-in antivirus and was rated as clean. The current setup file available for download occupies 50.5 MB on disk.
From the developer:
VacTran was designed to facilitate the process of modeling a vacuum system.
You may want to check out more software, such as Autodesk Civil 3D Object Enabler, graphite or OpenSceneGraph, which might be similar to VacTran.