Making custom View-Master Reels using a 35mm or Realist camera This article originally appeared in an issue of Stereoscopy from 1982. Bob Aldridge who was a party to the original experiments along with the author Arthur Girling,  provided this PDF version along with his notes. Also as noted in Bobs comment, as part of the Stereo Active Mounting (SAM) system, Jacob Van Ekeren has produced a prototype View-Master mounting jig which would work perfectly with this method. For information on that you should contact 3DConcepts. Click this to load the document (184k). Another technique was developed by an artist in Portland who makes her own reels from scratch. http://www.vladmaster.com