Ribbed Sidewall Interlocking Stackerz

by muzz64, published

Ribbed Sidewall Interlocking Stackerz by muzz64 May 20, 2016

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This is a "RIBBED SIDEWALL" version of my regular Interlocking Stackerz. View at http://www.thingiverse.com/thing:1546446. The Ribbed Sidewall makes them look smart as well as being easier for some people to grip for locking / unlocking. Please refer to the details provided below and at the original Interlocking Stackerz page for additional information (Note: Some content has been copied directly over as this is the same design other than having a ribbed sidewall on all parts).

Ribbed Version stl's have an "R" in the file name. This was listed separately to avoid possible confusion and mixing the types up.

There is also a fun / novelty version called 'ROCKETZ' you can find at http://www.thingiverse.com/thing:1563995

Interlocking Stackerz are easy prints of a clever modular storage and transport solution that features interlocking sections of different sizes to suit an endless array of applications. Use them to store and/or transport anything and everything small including nuts / bolts / screws to medication etc.

The mechanism is simple... just push two parts together and rotate 120° to lock in place. Additional parts lock together in the same way... reverse to unlock and separate the parts.

Interlocking Stackerz provide a simple solution to storing and transporting things. For example, store a range of nuts / bolts / screws in them and they become a 'grab and go' item so you can take what you need with you without a second thought.... and different items are in different layers to keep the separate.

The internal diameter is the same for all parts (60mm at standard scale). The .stl files provided are as follows:
•Layer / Low (15mm high storage area)
•Layer / Medium (25mm high storage area)
•Layer / High (50mm high storage area)
•Base / Low (15mm high storage area)
•Base / Medium (25mm high storage area)
•Base / High (50mm high storage area)

Print the parts required to make up your ideal configuration in the colors of choice... color coding makes it easy to find what you have stored way.

Interlocking Stackerz are easy to print and do not need any support. On a well set up, accurate machine well sliced files should provide a snug fit between parts that still lets them turn to lock / unlock without much effort.

Please refer to the print settings and images for additional information.... and post photos of your Interlocking Stackerz in use.

Note: If you like this check out the rest of my practical and fun designs!

Print Settings

Printer Brand:




Doesn't Matter




Standard / 0.20mm


2 Shells / 15% or more infill


Easy prints... on a well set up machine with PLA the parts should slide together and rotate to lock / unlock with minimal effort.


Just push together and rotate to lock in place...

If your Interlocking Stackerz are tight to join / turn this is most likely due to machine and/or slicing app capability. Try increasing the scale uniformly by 3 - 5% to increase clearances. You can also give the locking parts a quick spray with silicone lubricant to make them slide together and rotate more easily.

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Could you post the file you used to generate the STL? I'd like to modify this to change the dimensions

You would need to be a Rhino user to open this file... and even then it has been converted to a solid so basically no different to an .stl. I can export it in other formats but I doubt it's going to help a lot. However, if you have 3D design skills it's relatively easy to draw up based on what is shown online. That provides the concept to redraw as required.

I hope this helps...

I like the design and versatility of it's uses, but the only problem I have is I wish the lids tolerances was just a bit tighter so it wouldn't twist off so easy. If I could change one thing it would be that.

Easy to change... but as my designs need to work for as many people as possible, and every machine and slicing app creates a slightly different result (not to mention filament) I've learned it's better to be a fraction big / loose than too tight because then they don't work and people aren't happy!

The easy solution is to scale "all" the parts you want to print down uniformly by a few percent. If yours are coming out quite loose you may get away with as much as 10%. Obviously that affect the storage capacity slightly as well but I doubt you will notice it. Maybe try a lid and short layer section scaled down uniformly by 5%... but the scaling must be uniform otherwise it will cause issues for sure.

Hope this helps....