SD-Card-Insertioner for Ender 3
thingiverse
You'll need hands as skilled as a gynecologist's to push the SD card into the Ender 3. Since I didn't want to purchase an SD card extender, I designed a mechanical solution. Just print it out and stick it below the SD card slot with double-sided adhesive tape. Now you can see how easy it is to insert the SD card at https://youtu.be/0mrzdgDBWz0.
Download Model from thingiverse
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