Blues Harp Extenter
thingiverse
Designed to clip on a Hohner Blues Harp MS. The distance of the blow holes is enlarged (from 7.5mm to 10.4mm), making it much easier for the beginner to play single notes. Print Settings Rafts: No Supports: No Notes: On my M3D with high quality and high fill. PLA on blue tape, no raft. Prints nicer with supports, but scratching those out of the blow holes is too much of a pain.
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