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101G Gen2 Hybrid Trombone Mouthpiece - Harrison Mouthpieces Inc.
3D Printable Trombone Mouthpiece 26.26 mm or 1.034 in, throat 21/64 by Parker Daffron
trombone mouthpiece" 3D Models to Print - yeggi
PowayCTE on Twitter: "Laurissa, from Mrs. Hester's @PLTWorg Principles of Engineering class, designed and 3D-printed a mouthpiece adaptor for her trombone. The first of many real-world solutions to come out of @wv_robotics
Schaller 1-L Trombone Mouthpiece 3D model 3D printable | CGTrader