This is a remix for the original design by CarstenD
https://www.thingiverse.com/thing:3048730
Its a nice design for the SD Card mount for Ender 3 but he designed it for uncommon card reader part.
I found that most used card reader is this one:
http://s.click.aliexpress.com/e/bByMpv7a
So I tinkered the design to make it usable with the bigger card reader.
ender_3_bigger_sd_mount_01.stl | 195.6KB |