Working on more Tenkara Gadgets

I just wanted to share an update on projects I’ve been working on over the winter. I actually mentioned these at the end of this thread about designing a Tenkara spool from last summer.

Fly Box
This fly box magnetically clips to the Tea & Trout line spools. It holds 16 flies, accepting hooks from size 20 to 8.


Figure [1] Fly box and spools apart.


Figure [2] Fly box and spools stacked.


Figure [3] Looking into the fly box.


Figure [4] The fly box on the rod mount.

While I’m happy with how it holds flies, there’s still some work to do. Visually, I think the outside needs a different texture, so I have a different shell in the works. Functionally, I don’t like the big holes in the lid, so I think having a spool for a lid is bad. Also, I’m not a fan of having loose parts when I’m on the water, so I’m working on a leash/hinge for the lid.

Level line spools
The other project is a thinner version of the line spools. The original spools are a bit too tall if your only using level line.


Figure [5] Stack of standard spools (left) and thin spools (right).


Figure [6] Comparing thickness of one standard spool (left) to two thin spools (right)

It’s challenging to miniaturize an already compact design, and the results have been underwhelming. I’m thinking of ditching the mini spool approach. My next attempt at a level line spool will be a standard spool that’s modified to accept two lines. There’d be a divider in the middle of the arbor, and it would have the “top” geometry on the bottom too.

I’m still experimenting with these and would be happy to get some feedback/suggestions.

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Thin Spool Progress

I’ve come around on the thin spool. I had to sit down with a friend a few times to really talk-out some ideas. I hadn’t quite understood what the thin spool was, and how to get there. It took a few more rounds of prototypes, but the design is finally working.

Upcomming Release

At this point we’re just building up some inventory and taking product photos. It should be live on the store in the next week or so.

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Finally got the thin spools on the Etsy store!

You can check them out here:

https://teaandtroutdotcom.etsy.com/listing/4520389731/thin-magnetic-tenkara-line-spools-2-pack

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I love the thinner idea, the previous version was maybe a bit thick and on the heavy side. I’ll have to order some up and try them out. I assume they are compatible with the previous line winders?

I made some of my own spools a few years ago, and they were somewhat similar to the Oni spools, not sure if you’ve seen those, but they are extremely thin and I really like them. I had some I bought from Masami, however they were unavailable so I made my own. line holder Oni Shuriken “throwing star, Ninja dart” 2 piece holder set - TENKARA ONI SHOP

Glad you like it. Yeah, the regular spool was definitely too big if you’re running level line.

Yes, the thin spools are still compatible with the regular spools. They’re in the same ecosystem as the other gadgets. If you do get some, let me know what you think.

I’m a big fan of the Oni spools; I must have at least 12 by now. If you look closely at them, they’re actually 3D printed too. I think they use SLS though, so it’s a little hard to tell.

When I set out to make the thin spools, I wanted something similar to the Oni spools in both size and function. However, that’s the extent of the similarities. I used different mechanisms to achieve, and hopefully improve on, the performance.

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