The 1.4 version of Absird for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac application was originally created by Laine Lee. 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.
From the developer:
Absird is an application for Mac OS X that can be used to create Single Image Stereograms (SIS) or Single Image Random Dot Stereograms (SIRDS). This version is an Applescript Studio project created to provide an interface for Keith Goldfarb's Absird application.