3D printed geocache jar. This jar has a double glass wall, so the notebook stays dry.
The smallest, micro-size jar holds a 1 cm wide booklet and the larger ones 2 and 3.5 cm wide booklets. The larger ones can also hold a small silicate gel sachet. Bottom of the jar is a magnet, so you can hide the jar under a park bench for example.
Sizes:
1: height 1,5 cm / diameter 2,2 cm
2: height 3 cm / diameter 4 cm
3: height 4,7 cm / diameter 4 cm
PLA is a plant-based, biodegradable plastic. It can be stored outdoors in a shady place for many years without becoming brittle.
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