This full-size skull with an organic latticed volume was created from a high resolution CT scan. Th organic lattice gives the model a pleasing aesthetic texture. The file is in STL format and consists of ~3 million triangles. The lattice struts have diameter of 1mm at full-scale.
The model is to scale in millimetres.
A half-sized version is also available with strut diameter 0.8 mm here: