Ima Ring is a thumb ring and a sundial at the same time. The name comes from the japanese kanji "ima" engraved on the ring, which means "now". It has two holes and two scales to show the hour during spring-summer and autumn-winter. When working as sundial, it can be placed on a horizontal surface or suspended from a chain.
This ring has been tested successfully with Frosted Detail material. Its internal diameter is 2 cm and the hour lines correspond to latitude 41º N. Depending on the interest, I could make this model personalizable: diameter, latitude and engraving.