Card Reader Bracket by HPonstein was the inspiration. This prevents having to always reach down the side of the printer to insert your micro SD card. I didn't need the hole for the filament guide bar so I removed it. Otherwise, it is the same item. Make sure your flexible cable for your Micro SD extenion is a minimum of 25CM if you elect to mount it on the left side.

Parts:

Micro SD extension Cable: https://www.amazon.com/LANMU-Extension-Memory-Extender-Linker/dp/B01D9J8KQE/ref=sr_1_1?ie=UTF8&qid=1482038934&sr=8-1&keywords=TF+To+Micro+SD+TF+Flex+Zip+Extension+Cable+Adapter