is a relatively new (commercially) engraving technique used to create 3-dimensional engravings inside of a glass block. It utilizes a high-powered laser whose focal point is manipulated in X, Y, and Z axes in order to create thousands of microscopic cracks inside of the block.

Neuro3DModels offers a wide range of neuroanatomical designs that can be engraved in elegant K9 crystal blocks of various shapes, such as cuboids, cylinders, spheres, and more.