Summary I recently acquired a portable bluetooth speaker. It's been a lot of fun to clip on my bag but I wanted a more secure way to bike around the city with it, so I whipped up these clips. This is purpose built for this speaker: http://www.ebay.com/itm/Portable-Wireless-Bluetooth-Waterproof-Outdoor-Cycling-Flashlight-Speaker-T2-USA/132299301880?ssPageName=STRK%3AMEBIDX%3AIT&var=431624468842&_trksid=p2060353.m2749.l2649 They will work on any 65mm cylinder and utilize sturdy 5mm zip ties. Print Settings Printer: Anet A8 Rafts: No Supports: No Resolution: 200 micron Infill: 15 Notes: Probably overkill on the infill with how close the walls are, but didn't want to skimp on something that will take some abuse. Should work fine with 0.