AR Wing / Recruit GPS Perch

I'm working on a build with an AR Wing (same as RMRC Recruit) and needed a flat spot to mount my GPS receiver. I decided to mount it on top of the fuselage between the motor and hatch, but didn't want to cut down into the foam there since it's a little thin, and the tab on the back of the hatch need something to engage. I made this simple little piece to match the contour on top of the fuselage. I glued it in place with CA glue. I printed mine with PETG since it was already in my printer, but PL