Download of TiffinCAD 1.8.4 was on the developer's website 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.
The common filenames for the program's installer are icad.exe or TiffinCAD.exe etc. This program was originally created by Innovacia Sdn Bhd. The most popular versions among the software users are 1.8 and 1.2. The software lies within Photo & Graphics Tools, more precisely 3D Design.
From the developer:
TiffinCAD is a powerful Computer Aided Design (CAD) product for engineers, architects, designers and drafters or anyone who creates, edits, or views technical drawings. TiffinCAD is an affordable CAD software that offers full compatibility with the DWG file format; and with a familiar, easy to use command set and programming interface. Anyone who has used AutoCAD software can easily learn to use TiffinCAD in no time.
You may want to check out more software, such as Javelin5, KeyCreator or FRED Optical Engineering Software, which might be similar to TiffinCAD.