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FlyGun improved piston — image 1

FlyGun improved piston

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Uses a printed TPU lip seal for much better performance.

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This is a minor remix of LUCKYCO's FlyGun to make the piston seal more effectively and with less friction than the original.

All the same files as the original are untouched (and not provided here) except numbers 15, 16, 18, 19 and 20 which this assembly replaces. You will also need four more M3x12 countersunk screws.

Replaces the rectangular piston-ring style TPU seal with a lip seal, and eliminates the assembly/gluing of three parts into one monolithic piston.

I printed the seal from 95A TPU with 0.1mm layer height and it works very nicely.

Everything prints as oriented, no supports needed.

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