Home theater hobbyists do this for sure. Recent example: https://www.avsforum.com/threads/double-stacking-two-epson-ls12000-projectors-for-a-200-projection-scr

Home theater hobbyists do this for sure. Recent example: https://www.avsforum.com/threads/double-stacking-two-epson-ls12000-projectors-for-a-200-projection-screen-experimentation-and-results.3306966/ https://www.avsforum.com/threads/double-stacking-two-epson-l...