All measurements in mm. Use Customizer to scale it for your application, print on your favorite open-source 3-D printer and enjoy.
For more printable open-source optics components see this collection
Full information here
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