Each keychain is approximately 35x38 mm in length and 3mm thick.Updates (27 April 2016): There were requests from coolarj10 to make it have a detail on both sides, this may correspond to the request. And this video will show the finished result: https://youtu.be/DcaslMAcbS8.Printer Brand: RepRapRepRapPrinter: HuxleyHuxleyRafts: NoNoSupports: NoNoResolution: 0.2mm0.2mmInfill: 100%100%Print with a thick layer of 0.2mm or less to get a good result. Then sanded, caulked and painted.