English: Comparison of optical light Kitchen-Based Light Tomography (KBLT) versus X-ray microtomography (X-ray μCT) of a Lego minifigure. Reconstructed slice of the Legoman using A) KBLT and B) X-ray μCT. Using KBLT, normal visible light is unable to penetrate through the thick plastic pieces (total attenuation), while the X-rays are able to penetrate through the plastic and reveal the internal structure of the Legoman. By 3D-rendering the local thickness of the scanned C) KBLT dataset, it can be seen that the thinnest regions (in purple) are made up by the hands, while the same rendering of the D) X-ray μCT dataset reveal that the thinnest regions are in fact made up by both the hands and the upper part of the helmet of the Legoman, which is confirmed in B), and highlighted by the white arrow-heads. In addition, porous plastic parts from the X-ray μCT dataset are shown in a more purple-to-red color. For the μCT dataset the thickest plastic parts are in fact made up by the underarms, hip and chin of the helmet, as opposed to the KBLT dataset where the thickest parts (perceived as non-hollow) are made up by the head, torso and legs.