Download of SimpleCAD 2.3 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This software for Mac OS X is a product of Tien Thinh Vu.
SimpleCAD for Mac lies within Design & Photo Tools, more precisely Viewers & Editors. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This program was developed to work on Mac OS X 10.7 or later. The following version: 1.4 is the most frequently downloaded one by the program users.
From the developer:
SimpleCAD is an easy, simple to learn 2D Computer Aided Design program (CAD) made to meet all of your basic design needs.
SimpleCAD is more than just a vector paint program, because you could move, copy, edit, scale, rotate and offset… objects.
You may want to check out more software for Mac, such as SimpleCAD2, which might be similar to SimpleCAD.