This open-source lens holder is designed to hold a standard 1 inch diameter lens on a smooth 8mm diameter rod.
Use the OpenSCAD files to customize it for your application, print on your favorite open source 3-D printer and enjoy. Included are the main holder and thumb screw.
If you need the base go to http://www.thingiverse.com/thing:28133
Full information here
Thanks to Xin and Nick for designs.
This component is part of the Open-source Optics Library: Zhang C, Anzalone NC, Faria RP, Pearce JM (2013) Open-Source 3D-Printable Optics Equipment. PLoS ONE 8(3): e59840.
This is part of a larger project to reduce the cost of scientific equipment using open-source hardware. Read more here