Kind of an obscure one but I wanted to share. I rigged a Keurig to have an auto fill float valve. These can fail, so I added this leak stopper device to the back to cut off the water if it ever overflows. I will link to the parts used below.

• Float Valve: https://www.amazon.com/dp/B09YXDFG8L?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_6
• Leak Stopper: https://www.amazon.com/dp/B01KKOK8ZW?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1
• M3 nuts for the threaded

100% Infill