This is a replacement for your Ekster Cardholder backplate. It is 0.5mm thicker than the original aluminium backplate to give it some stability. Note that this will not block RFID, this can be great if you store an access card and don't want to remove it to use.
No supports needed.
If you'd like an extra compartment for your Ekster Cardholder, check here.
The author marked this model as their own original creation.