Soldered components (schematics variant):
Use double-sided tape to attach ESP32 to the top frame part (ESP32 holder):
Use two washers to screw the IMU board to the frame:
Screw the IMU with M3x5 screws as shown:
Install the motors, attach MOSFETs to the frame using tape:
Screw the ESP32 holder with M1.4x5 screws to the frame:
Assembled drone: