RFID Card Holder
Description
This is a rigid plastic enclosure for cards containing RFID tags. The top and bottom are parametric, and should snap fit together to hold just about any size card, though I believe most of these cards are a standard size. The motivation for this is the Opus card, which is used in Montreal to hold public transportation fares. The logical place to keep an Opus card is in a pocket or wallet, but in either case it will usually bend enough to ruin the RFID tag in a few months. The STM sells card holders, but why buy it when you can print it? Besides, mine is stronger, especially if printed in PLA.
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