This is a simple diffuser that pops on top of the 5mm LED solderless holder made by roipoussiere (http://www.thingiverse.com/thing:170562). Also pictured is an excellent design by Elwin (http://www.thingiverse.com/thing:597501) Please see instructions if you have troubles. Included the Blender file so you may hash it up as you will. If you print it, please let me know how it turned out. If you rework it, please share your creations and make a mention of its origins. If you like what you see please feel free to leave a tip: http://modernwebsitesolutions.com/resources/tipjar.html Thanks