Sample Spool, ideal for 100g samples

Yes, yet another sample spool. I've tried many and liked the Proto-Pasta one best:

• Small inner diameter, to easily slip on the sample spools from my Proto-Pasta subscription.

• Large enough for 100g samples

• Works great with the roller-style spool holder I'm using, as well as spindle-based holders

• Parts lock together easily

• Prints with less than 100g of filament — yes, you can use your subscription sample to print a sample spool 🙂

But I saw a small number of opportunities for (admittedly minor) improvements:

• More attachment points for both ends of the filament

• Less thread needed to screw together securely

• Added a small area to attach labels

• More “rounded”, elegant look. (I tried to save even more material, but the outside frame became too wobbly).

The spool weighs a total of 92 grams when printed with PLA. If you want to see how much filament is left on the spool, just weigh it and subtract 92. I have also uploaded a copy of the top part with "92g" engraved, so no need to remember 🙂 

I redid the whole design in Fusion 360 but mark it as a remix of the Proto-Pasta design, to give proper credit for the inspiration.

Fusion and STEP files included.

For use with roller-style spool holders or rewinders such as Filamentalist, check out my full-size adaptor https://www.printables.com/model/1312262/

For use with the new Core One+ spool holder puck, see my modified spool holder https://www.printables.com/model/1500430

Version History

v1.02: Added version of top with "92 g" engraved.
v1.01: Minute adjustments to properly fit the Spool Adaptor. But even the original should work fine. 

Print Instructions

I strongly suggest using a layer height of 0.2mm or less. With 0.3mm, I had some issues with the thread overhangs. Can be easily fixed with an Xacto knife, but why bother. Also prints fine with a 0.6 mm nozzle. No supports needed.

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