P
PrintablesMichael Lew
Twist bladder for Platypus Pens Model 20
I make and sell fountain pens and have recently released a model which features a novel filling system using a twist bladder printed from flexible TPE. The bladder has survived over a hundred thousand actuations and so it is unlikely to…
- Pobrania
- 21
- Polubienia
- 0
- Ocena
- 0