This is a tool caddy designed to store commonly used tools (mostly hex keys) handily on an optics table.Print 'toolcaddy_v2.stl'Mount to 1/2" post (e.g. http://thorlabs.com/NewGroupPage9.cfm?ObjectGroup_ID=1266) with a 1/4"-20 bolt through the center, counterbored hole.(If using this on an optics table with lasers bouncing around be mindful of shiny tools and their placement.)This caddy is designed to hold:2 x 3/16" ball drivers2 x hemostats1 x Thorlabs LMR1AP alignment tool (http://www.thorlabs.com/thorProduct.cfm?partNumber=LMR1AP)A screw/business(alignment) card boxHex keys: 1 x 3/16" 1 x 5/32" 2 x 9/64" 1 x 1/8" 1 x 7/64" 2 x 3/32" 2 x 5/64" 2 x 1/16"New in v2:I have modified the screw/business card box: It now has slightly higher walls, and more importantly it is larger to accomodate a cuvette rack from:http://www.thingiverse.com/thing:25080Just print 'cuvrack_5x2.stl' and slide it right in there.