Unfortunately, this mount is too big to print in one piece on the Mini itself as the panel is 160mm wide. I have a larger printer, but you may need to cut the model and assemble it after printing. The source CAD can be found at the link below.
https://cad.onshape.com/documents/af09d87746d2ce4813c4552c/w/7a26598405ec8fa01d0f9eb3/e/435b4beb309d8a0989db66a5?renderMode=0&uiState=63f2ff17dc35844187581b06
The author marked this model as their own original creation.