Character Artist and 3D Sculptor Vergoz Gaëtan has presented an unusual, ghost-like 3D version of Miku Hatsune, a well-known Vocaloid mascot character, based on an amazing 2D illustration authored by neteruyo. With the objective of turning a "funny and uncommon concept" into a sculpt, the project was created 100% in ZBrush, Maxon's digital sculpting tool. The model's standout feature is undoubtedly its incredible black outlines set up, according to the author, by duplicating the geometry, slightly inflating it, and then inverting it.
Here is neteruyo's concept the artwork is based on: