While we don't yet have a dedicated case for the IK Multimedia AXE I/O Audio Interface, one of the cases in our UNISON line may be a good fit!
The dimensions we have on hand for the IK Multimedia AXE I/O Audio Interface are: (9.37 x 8.31 x 2.09) inches. If that aligns with what you have, we would recommend looking at the UNISON CUSTOM EDITION