Fart Machine

“Let 'er rip” - epitaph of Leslie Nielsen
This is a printable, portable, hand-operated fart machine. You need TPU for the print. TPU90A is very much recommended as it is flexible AND robust. I expect that harder TPU will tear between the layers sooner.
It takes some practise to master this device and late actor Leslie Nielsen could play it like a violin. It was his favourite practical joke.

You hold the farter in your hand, the hole is facing to your thenar. When you press the fart generator the air escaping the hole vibrates the skin of you thenar and makes a … sound. See this video demonstration:





Print preparation:
Make sure that your print bed is clean and grease-free and use quality brand filaments.
IMPORTANT - dry your TPU filament! This is critical because TPU is very hygroscopic.

Print settings:

The bellows need to be printed with TPU in spiral vase mode. The line thickness varies depending on your filament. For TPU90A it should be 0.7mm (with a 0.4mm nozzle). This resul