Spirometer - learn to play air instruments

MembershipSign up to my membership to sell prints of my designs or simply support me via the "buy me a coffee" option Spirometer – learn to play air instruments and improve your breath and resistance Insert your trumpet mouthpiece and try to keep the ball floating by controlling your airflow. Great for practicing breath strength and resistance. Features: ✅ Works with standard trumpet mouthpieces ✅ Trains airflow and lung control ✅ Lightweight and portable design Perfect tool to boost your air instruments skills! Assembly: the finished object should look like this: I used a little silicone on the big white part to prevent any air leaks. finally insert your mouthpiece and you're done. Recommended Materials: I used Sunlu PLA+ for orange parts, bambulab PETG for trasparent part, Sunlu TPU 95A for white parts You can use any material you like, as long as you use a transparent material for the tube where the ball will be inserted. I also recommend using TPU for the white parts, as they need