About This File Betts, Attribution to Smithsonian: https://www.dropbox.com/sh/3clxm16m7mmjflk/AADLe-jaxybcMFYNM1FApNIwa/Stradivari Vn 'Betts' 1704 LOC?dl=0 prosthesis, stl, 3d, model, printable, upper, limb
