this post was submitted on 14 Jan 2026
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That's pretty cool.
Did you design a feed to go with your pen, or were you trying to use it more like a drip-style pen? I see the Kaweco Sport in the photo above, did you use the nib and feed from it?
I could toss the models onto Thingiverse or something, maybe somebody would be interested to pick up where I left off.
Maybe Dooblebud would be interested -- he's been messing around with 3D printing his own pen.
I have precisely zero knowledge of anything 3D printed, so something like this would be lost on me.
I designed it for a Jinhao feed, those are cheap and plentiful. The big one took a #6 nib, small a #5. Big one had a black latex sac, small had a clear silicone.
Yeah, a Jinhao nib / feed makes sense. (Although I'd personally probably go for an Asvine or Hongdian nib / feed combo.)
I wonder how you'd go about figuring out how to slow down the capillary action... That's really the most technical part of designing a fountain pen...that's really the most critical part of the pen - or at least it is the "magic"of fountain pens.
The issue is stopping the capillary action where you dont want it! I was chasing layer heights, trying to seal between the layers more. But I think that's a fools errand. I think I need to seal the prints somehow. Maybe reduce my fits and leave room for an acrylic clear coat?
I was not familiar with Hongdian when I made this. Now, I use my M2 more than my Kaweco Sport! A Hongdian feed and nib would be good.
I had no idea Doodlebud has been tinkering with that, maybe he would be interested!
He did a whole video about it a month ago: The 3D Printed Fountain Pen Project Has Begun!.
I just emailed him a table from my ink collection which I put together per-unit pricing. There were a couple of surprising things I found. Given his recent video about inks I thought he might find it interesting.