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Thanks for the PETG help
(i.ibb.co)
I tried just about every suggestion here, but still couldn't get an airtight print. This is transparent PLA. I'm going to play with my speeds and overlap to try to get it clearer, but it was dimensionally accurate and completely sealed the first try.
Don't look too carefully at the barrel, it's just a hollow test one. I was able to eyedropper fill and test the grip section with it, but the OD is wrong, and there's no real filling mechanism in it. That's phase 2 of this project!
You should post on the fountain pens community on the wayfarers haven instance! I'm sure folks there would love to see this, and even more so once you get a result you're happy with!
Wow, I swear I searched for fountain pen communities when I got on Lemmy but I must have only been searching locally. Thank you! I will certainly post it when it's done.
I'll give you a sneak peek at what I think the filling system will be. I thought I was going to make it a lever filler, but this is even easier.
This is a Jaxon Self-Filling #4, very similar to a Conklin Crescent Filler. Actually, I believe Jaxon was a Conklin subsidiary. It's just a button connected to a big bar that squishes the sac, and a rotating slotted ring keeps you from accidentally pushing the button.
That looks cool as hell! How funky