Simple Micro SD Card Rack
thingiverse
I wanted a very simple microSD card rack that would bolt onto my Ender 3, near the card slot in the controller. 5x micro-SD card slots and a USB adapter slot. Nothing fancy. Two M4 T-nuts and bolts are required for the top and side mounted versions. The face mounted one reuses an existing Ender 3 controller housing bolt. I designed them to fit up against a 20mm rail, so they should fit just about printer. The card slots and USB slot are designed to be slightly loose fitting. The microSD cards and USB adapter should just drop in. 2021.04.04 Added a T-Slot side mount version that doesn't require any t-slot nuts to attach. Just slide it onto any 2020 series rail and add a M3x20 bolt if you need it to stay in place more firmly.
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