Pocket-Sized Euro Coin Holder

makerworld.com

Japanese Yen Holder – 2x 50円, 100円 slots + sleeve

makerworld.com

Pocket-Sized Yen Coin Holder

makerworld.com

Train Whistle (pocket size, 4-tone)

thingiverse.com

Sphere Pill Box in Three Sizes

cults3d.com