I found a model that looks easy to carry while looking for a case for storing coins on a trip to Japan.
The original creator only assumed a small amount of use during bicycle riding, so he increased the capacity and type of coins to match the trip.
print lid parts vertical stand,
23.11.20
-added tall version, i used it on japna travel, but sometimes need more coin stores, so i got some more z height(totally 19.5 mm), so it can store 7~8 coins each slots