A cube photographed by Carol Huebner using nine light sources and all their combinations:

1. Top 2. Front 3. left side 4. right side 5. back 6. left back corner 7. right back corner Back left corner 7. back right corner 8. front left corner 9. front right corner / Square format 17.8 x 17.8 x 2.5 cm.

Nice copy, the first cover and the fourth cover have some traces of use.