Stainless Steel Kitchen Sink Strainer Plug Drain Strain 84mm UK on OnBuy
Plastic Home Kitchen Sink Drain Stopper Basket Strainer Waste Plug - China Basin Drainer and Basin Waste
We needed to chill beverages in the kitchen sink but didn't have a drain plug. I 3D printed a mold and poured silicone to make a rubber stopper that fit the drain