Bassoon Extension
thingiverse
Update: If the V2 is still too thin and your low a is still sharp, try the "Bassoon Extension 2mm Thick V3". This model is the most up to date, and should be the first one you print. Update: "Bassoon Extension V2" is slightly thicker than the original "Bassoon Extension", but it will still fit the bassoon exactly the same. Update: "Bassoon Extension With Chamfer" has a slight diagonal/curve at one sharp edge on the extension. You can see this in the third model picture. It has a slight curve where the edge of the extension will meet the bassoon. This is a bassoon low A extension I designed using fusion 360. This extension will allow you to play half a step lower while fingering a low Bb. **When printing, make sure to rotate it so it can print without supports.** Once you are done printing you can wrap electrical tape around the thinner portion of the extension so it fits snugly in the bassoon. This was inspired by Printingdrew7531. His model was slightly sharp on my instrument, so I designed a longer one. Thanks guys!
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