Mastering the 3D Printed Lenticular Effect: A New Dimension for Makers

What if your 3D printed objects could change their appearance based entirely on the angle from which they are viewed? This fascinating optical illusion is known as the lenticular effect. Often compared to a holographic effect, the lenticular effect allows an observer to see distinct, shifting images simply by changing their viewing angle. While this visual trick has existed for a long time in 2D formats (such as xenographs, kids’ books with running animals, or classic pull-tab illustrations), modern CAD and additive manufacturing have brought the lenticular effect into the realm of 3D physical objects. Today, 3D printing offers exciting possibilities for designers and engineers wanting to leverage this dynamic visual experience.

The Mechanics Behind the Illusion

At its core, the 3D printed lenticular effect relies on precisely interlaced images that are covered by a specially designed top material. The geometry must be printed with a specific angle of curvature. This careful curvature acts as a visual filter; when you look from one angle, you see one part of the interlaced image, and when you shift your position, that first image is filtered out to reveal the second.

Three views of a single printed part that show the SOLIDWORKS, Dassault Systèmes, and GoEngineer logos.

Achieving this requires highly capable CAD modeling. Because you are directly relating the printed output to the digital model, you must parse and dissect individual strains of the image perfectly. Standard CAD systems like SOLIDWORKS may not always have the tools required for interlacing these complex images. Instead, advanced applications on the 3DEXPERIENCE platform, such as xGenerative Design, provide the software capabilities needed to precisely calculate and generate the required geometry.