Cart wheels & TPU tires

70mm wheels for a small cart
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updated April 28, 2025

Description

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To convert a home organizer to a mini cart, I needed to add small wheels. I found Pavol's work here and redesigned to make it half a size while still housing 608 bearings in it. This wheel is 70mm (~2.8 inch) in diameter so it can roll around anywhere including carpet.   

I used PETG for wheels and 95A TPU for tires. Adjust number of top and bottom layers for tires if you want them to be softer in the print profile. 

 

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Model origin

The author remixed this model.

Differences of the remix compared to the original

Reduced to 50% size while still using a 608 size bearing. 

This wheel now has 8 spokes instead of 7.

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