FISH: 3D Lenticular 3 Postcard Greeting Cards - Panda Butterflyfish and corals, Aquatic View and Manta Ray

Enjoy these = Panda Butterflyfish and corals, Aquatic View and Manta Ray - 3D Lenticular Postcard Greeting Cards Back of postcard has lines for mailing address. This Lenticular Postcard Greeting card is 3D. The 3D images are more natural and more enjoyable to view.

Lenticular 3D images or auto stereograms have a unique quality among 3D formats, lenticular prints can be viewed stereoscopically without optical aids (special lenses, glasses, or filters). This ease of viewing makes lenticular prints widely popular and entertaining for all ages. A lenticular image is a combination of multiple input images overlaid with a lensing material to provide a sense of depth movement, or other change depending on how the input images differ. And this is all due to the thin plastic lens with its lenticules, permits lenticular printing a variety of variations such as a morph, flip, animation and 3D.