Summary

This mount is specifically designed to replace the handle mount for this wagon: https://www.amazon.com/dp/B08W1HCR1V?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_2&th=1

I printed this using PLA but would probably work best with PETG or another stronger/slightly flexible filament. This part goes under a lot of stress so try going with an infill thats pretty dense, but not too dense. Either way, if it breaks again, you can print another one!