Its a Caricature Crystal. Any of the image you give will be hand drawn & made into a Caricature & then will be engraved inside the crystal.
For an unique, one-of-a-kind gift that no one else could possibly give, consider having your favourite photo transferred to crystal with any kind of sizes and figures available and finished off with a personalized laser engraved message.
Your 2D photo can be digitally converted into an awesome 2.5d portrait.
The simple explanation is 2D means height & width, 2.5d means height, width & depth.
Perhaps an engraved crystal memorial can be gifted for occasions, such as an engagement, a marriage, and a new business venture; or to the end of life of a loved one or blessed pet.
Laser photo crystals can contain a picture, a text, a poem, or special date or message.