Yet another shopping trolley token (5 czech crowns)
thingiverse
Yet another trolley token. I almost never wear money since Google Pay was allowed for my bank, so I always struggle with unlocking shopping trolleys. This was designed to be trully minimalistic and easy to unhook from your key ring (intead of struggling with sturdy key ring itself and breaking your nails). The size is as 5 CZK - Czech crowns (23mm diameter, 1.8mm height). I don't think it will be usable for other currencies, but it may inspire you to make similar design for your currency.
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