Figure 4.

3D imaging station and high-resolution weighing cell. A, Module for 3D imaging with a camera plus objective lens, light source, and white reflector. In front of the camera, a rapeseed seed is turned by 360° with the aid of the fourth robot axis. B, Images of an Arabidopsis seed from two different angles (left) and the respective reconstructions (right; x and y axes in mm) shown at greater magnification. C, High-resolution weighing cell with a custom-made receiver (inset) dedicated to small seeds such as Arabidopsis.