Parametric Parts Bins

Parametric FreeCAD project and example STL's for making custom parts bins for black and yellow parts storage cases.
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updated February 20, 2024

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I wanted to fill many part storage cases with only small bins, but each one only comes with a few.  Worse yet I found that different cheap storage cases sometimes have different heights, even though they are the same product.

So a parametric CAD file where you can simply type in the “BinWidth” “BinLength” and "BinHeight" and get any size bin you want was the only option.  What I didn't know was how much I would love making different colored bins to make sorting my things easier.

TIPS:  
There is one “error” in the CAD that I'm too lazy yet to fix.  The "LipExtraThickness" adds to the width.  So subtract (2 x “LipExtraThickness”) from your desired “BinWidth” (Default is 2*0.8mm=1.6mm)  - Sorry about that! - Maybe test one before printing a whole batch.  I printed ~36 before I noticed, they still work as long as I don't fill an entire row with the extra wide ones.

Make sure you use supports, and I strongly suggest that you block out supports on the lip, and within about 1mm of the feet.  If your supports are touching the feet it's extremely easy to break them off.  Leave a little room and the supports should snap off super easy.

On a 235mm build plate I can fix 12 bins no problem, and my slow Marlin powered Neptune 3 Pro Prints just a little more than one bin an hour.  

If you use the FreeCAD cad file to customize your bins:  
Use the latest version of ‘stable’ FreeCAD and open up the “Spreadsheet” and simply enter the size you want (be sure to enter sizes like this=> "53.4 mm" - You have to include the units!)  Wait for it to recalculate everything, then select the “Body” from the tree view and choose “Export” from the “File” menu, and you will have your custom STL!
 

If this website supports it I'd be happy to create STL's for whatever rectangular size you want.  I'm excited about making big long bins so that I can include tools like a crimper in the bin with my crimp terminals.  -  Or maybe I'll continue to learn more CAD and make sub-dividable bins next.  This is my first CAD project ever and it's definitely not perfect, I hope it's useful for you!

 - Josiah Luscher

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