1) I added QTY 8 magnets, size 6mm x 3mm, to the base of the stem so that I could get the filter media in and out more easily.  

2) Since the Mini only fits on the left side of the machine I modified the foot to route the cables out in the correct direction.  The Z-axis cable guide prevents it from fitting on the right side of the machine. 

3) Repaired a damaged STL for the fan exhaust option that points up and away from the printed object so that it would slice properly. 

4) Added 1mm thick foam around each panel to close as many gaps as possible so that air could be recaptured better.