FreeMultiple Colors with a single Extruder - Printrbot Metal Simple (SD Card)
Thingiverse
7 model
Free
FreeEnder 3 / Ender 3 Pro - A Better Left Front Drawer with micro SD Card Slot
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Free2020 and 2040 Attachment holds a Micro to SD Extension and 3 SD Cards
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FreeSD card, a micro SD, and a USB holder. Full and Empty
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FreeCard Caddy (xqd cf express sd micro sd usb a and usb c holder)
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FreeDuet3D PanelDue 7i angled Case with integrated SD-Slot to mount on a 3030 Extrusion
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FreeDuet3D PanelDue 5i angled Case with integrated SD-Slot to mount on a 2040 Extrusion
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