You might be looking for some useful 3d prints. There are top 10 household 3d prints for kitchen use for your reference.
Egg Separator https://www.thingiverse.com/thing:2756265
Leaf Remover https://www.thingiverse.com/thing:2743111
Kitchen pot - Lid holder https://www.thingiverse.com/thing:2850883
Banana slicer https://www.thingiverse.com/thing:2669921
Lemon squeezer https://www.thingiverse.com/thing:2720808
Apple Corer For Drill https://www.thingiverse.com/thing:1037136
Paper roll holder https://www.thingiverse.com/thing:338582
Paper roll holder cutter https://www.thingiverse.com/thing:724328
Sponge holder https://www.thingiverse.com/thing:974438
Finger guard https://www.thingiverse.com/thing:668875
Fruit bowl https://www.thingiverse.com/thing:1635734