Shoulder strap track chain
Description
Tired of big grocery bags and beach backpack straps bruising my shoulders. Though about a design like this for quite a long time. This is the first version, more proof of concept. Thinking about locking caps on top of the bag straps and about optimisation to print the whole thing without supports. But so far the solution works - you can print as many as you need of the size you like and forget about bruised shoulders.
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