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The Universal Spool Holder Rail

by rvhuante Jun 10, 2019
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Am I doing something wrong or are the measurements wrong somehow? Printing the feet and the holes for the bar to go through are definitely smaller than 5/16" (79mm). They seem closer to 65mm when I measured the holes with a caliper.

I printed this out for a 25QT Sterile tub. Sterile container can hold 4 reels and is 13" wide at the bottom. I utilized 2x 12" 5/16 rods. I had issues with the spacers fitting over the 5/16 rod, so I printed 5/16 nuts instead. In order to fit a rig inside the 13" wide tub, I moved he feet and the cross braces to be on the inside of the outer wheels. Picture attached.

Clever idea! I bet the nuts provide a much more secure fitting on that threaded rod than the collars on a smooth rod. If you get the chance to post it, that'd make for a great remix!

Another view. Also, to share some thoughts. I would be nice to not have to print the spacers if not wanted. Or if you needed more, you could print them without having to print the cross members as well. Also, the angled feeders. it would be nice to have some that go straight out. I have a stack of tubs, the one at the bottom points up, the one at the top points down, but the ones in the middle, I used another feeder that points straight out.

Good thinking on separating the pieces! The 3D printable components for this project are now accessible as individual .stl files. Also, there is now a link to a perpendicular set of feeders in the notes section.

Is their any chance that you can remix the spacers and the feet to be 8MM

Given the thickness of the bearings used in this project, it's not ideal to shrink the thickness of the spacers and the rollers much more than what they already are. However, if needing more space is a concern, perhaps finding a bigger box to fit a longer rod is an effective alternative!

I've been doing a bit of research on drybox setups and I really like yours the best! Great looking design and documentation. I'll be (slowly) printing these out over the next couple of days.

Thank you so much! Means a lot (: Had lots of fun making this piece. Looking forward to hearing about how yours turns out! If you get the chance please post a make and lemme know what you think of it. Cheers!