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SD Card Blocker for MK3/MK3S/MK3S+ 3D Printer File Image 1
SD Card Blocker for MK3/MK3S/MK3S+ 3D Printer File Image 2
SD Card Blocker for MK3/MK3S/MK3S+ 3D Printer File Image 3
SD Card Blocker for MK3/MK3S/MK3S+ 3D Printer File Image 4
SD Card Blocker for MK3/MK3S/MK3S+ 3D Printer File Thumbnail 1
SD Card Blocker for MK3/MK3S/MK3S+ 3D Printer File Thumbnail 2
SD Card Blocker for MK3/MK3S/MK3S+ 3D Printer File Thumbnail 3
SD Card Blocker for MK3/MK3S/MK3S+ 3D Printer File Thumbnail 4

SD Card Blocker for MK3/MK3S/MK3S+

lvccld_zach avatarlvccld_zach

March 25, 2025

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Description

This is used in cases where we need to cover the SD card slot and deter users from using their own SD cards. The shorter back piece can be inserted first, then the second longer piece can follow. There is a zip tie hold to keep both pieces in place (may support a small padlock if necessary).

Best results with .4mm nozzle and .2mm layer height, but should work with .6mm nozzle and .3mm layer height as well. 

License:

Creative Commons — Attribution — Noncommercial

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