Perhaps it is because I have an educational license, but I can export fusion360 natively.
File->Export and then select "Autodesk Fusion 360 Archive Files

Do you not have this as an option? I would love to use your work!
73
Mark
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AJ6CU/7
KD8CEC 2.0, Nextion Screens,? and open source uBITX Raduino boards for Arduino IOT, BLE, RP2040, Teensy 4.0, and Raspberry Pi Pico
https://github.com/aj6cu