
It is the seed pod from a Chinese lantern plant.
Here is the set up taken with my webcam................
150W Halogen lamp, Matt Black background board, black towel to stop reflected light, subject held in a watchmakers clamp. Camera on tripod. Lens; Sigma 18/200 1/5th second at f32 ISO400, Partial metering.
2 second delay using remote on shutter release to prevent camera shake.