About this 3D model
This is a modiciation of the T-connector to carry a trapped 1/4" bolt. This way you can attach any accessory that has a 1/4 tripod nut or (with a cheap hotshoe-adaptor) a hotshoe-connection to your industry standard 15mm DSLR shoulder rig. e.g. an external microphone, audio recorder, camera lights,... blog post: http://marcuswolschon.blogspot.com/2011/04/accessory-holder-for-shoulder-rig.html photo album: https://picasaweb.google.com/Marcus.Wolschon/20110325Bis201105ShulterRigBauen?feat=directlink forum post: http://forums.reprap.org/read.php?88,75536,page=2 project in my personal wiki: https://sourceforge.net/userapps/mediawiki/marcuswolschon/index.php?title=Projects/Camera/ShoulderRig#status IF YOU HAVE NO ACCESS TO A 3D-PRINTER AND CAN't FINE SOMEONE ELSE TO PRINT THESE FOR YOU, YOU CAN HAVE SHAPEWAYS PRINT THESE FOR YOU: http://www.shapeways.com/shops/marcuswolschon?section=Camera+and+Filming