David Burder came up with more radical modifications. One, the original Burdlo, featured a modified lens board with two lenses but essentially the same film advance to take full-frame stereo pictures. The stereo base was greatly reduced to only 36mm, adequate for closeup work. Other cameras also going by the name Burdlo included multiple Nimslos joined together to make 12 lens and 24 lens lenticular cameras. None of these were as popular as the Teco-Nimslo but pictures of them are easy enough to find on the web and have occasionally been the subject of blog entries.