A heart locket, much like the one from the movie 'the illusionist'. it has a pill shape when closed, then you turn it and it gets a heart shape, then you can open it to reveal a photograph inside. This is an update to my older model.
Lenght 5 cm
height/diameter 2,5 cm
Max chain diameter 5 mm
Clicks together, no glue required.
Snaps in place when locked/opened.
Fewer parts than previous (only 5 parts now).
Now printable in more materials.