Bottom and landing gear for Robocat 270

I decided to assemble the frame Robocat 270 not as intended. I used the flight controller Omnibus F4 v3 pro (without current sensor) and PDB/ESC board BS430. But the simultaneous installation of these boards on the frame Robocat 270 is not provided. I installed the PDB board in the designated place and the flight controller I installed on the back side at the bottom (see photo). To protect the flight controller I made a model of bottom case. At the same time I decided to fix the landing gears on