Flip, Morph, Zoom and Spin effects for Lenticular

Horizontal lens orientation is used when 3D is not required. Because humans eyes are stationed horizontally along the face each eye will have the same viewing angle of a horizontal lens. This means that both eyes see a single image, negating the brains natural tendency to perceive depth. Instead with each eye viewing the same image a user must move vertically  (or rotate the piece vertically) to see change their angle of viewing through the lens and thus change the image that is visible. By quickly shifting through multiple viewing angles, and resultant images, a user can replicate a motion picture and achieve an animated art sequence.

Lenticular Images - Vertically Oriented lens (3d Effect)

1. Vertical Orientation
Vertical lenticular lenses deliver separate images to the left and right eye of an observer.
With a vertically oriented lens focusing on a vertically interlaced series of images it is possible create a 3D effect by utilizing the human brain’s natural desire to fuse two images, each seen from the slightly different perspective of each eye, into a depth map of the scene.

A typical 3D piece of art will contain items at varying depths. From foreground to background the overlapping of the images help to enhance the 3D effect. As a user shifts their focus the perception is that each layer would shift accordingly. Just as a tree far away would not shift greatly in the field of vision of an observer, the background of the image will stay primarily static. Items that are closer in the field of depth will have less movement, but may also be required to appear more in focus.

Each interlaced layer is taken from a slightly different viewing angle. As a viewer shifts laterally they see each subsequent image as if they have just changed their perspective on the scene. This is why each lenticular surface has an optimal viewing distance. At such a distance the effect of the shift is in line with how much an observer has moved. That means if they shift their head 5 degrees they will be transitioned to an image that is from a perspective that is also 5 degrees different. The construction of the lens defines this viewing angle. 

Some great resources for more knowledge

A simple animated .gif explaining the basics of lenticular.

Glossary of lenticular terms.

Lenstar.org has a good overview of lenticular and is usually up on current trends.
 And below a great youtube video (not mine) that helps to explain the principles.

Back to 3dEngr's 10 Things about lenticular or go to #2 Horizontal Orientation

Lenticular Imagery: 3D and Animated displays

Ten things to know (and places to learn) about lenticular technology.

1. Vertical Orientation
2. Horizontal Orientation
3. Image Interlacing
4. Stereoscopy
5. Printing on the Lens
6. Printing on a substrate
7. Ideal Viewing distance
8. Image Layer Separation (3D)
9. Printing Technology
10. Popular Uses of Lenticular Imagery
A Redakai Lenticular trading card
Lenticular imaging is popping up all over the place these days, in use as a stunning 3D display or a compelling animation. Used correctly this technology can capture a viewer and convey more movement and depth than traditional flat imagery. The best uses of lenticular take into consideration a considerable number of variables.

How big will the lenticular image be?
Where will the viewer of the lenticular image be standing?
How will the viewer move in relation to the image?
What is the goal of the image?
Who is creating the flat image and how is it being converted to lenticular?

This is only a sampling of the questions to consider when developing a lenticular image. These posts are intended to be a small sampling of considerations designed to spark further insight and questioning into how to best develop lenticular imagery.

3d Printing Image Collages

Applications for rapid prototyping are becoming more prevalent in the news. So much so that "prototyping" is not nearly the right word for 3d Printing. Increasingly components, products, and even works of art are being created by machines that used to be something out of science fiction. Recently an article caught my eye that highlights the use of 3d printing by the Smithsonian Museum. It will be very interesting to see what other applications there may be for this technology. 

One of the best ways I've found to get a quick summary of a subject is to peruse the google image search results for related key words. Below is a quick curation of some of those results for key words related to 3d printing.

The first is a compilation of 3d Printing image search results

For some reason "3d Printing Statistics" turns up a nice collection of different items. (below)

The ultimate dream would be to build highly sophisticated devices. Results for "3d Printing Car" mainly just brings early stage prototype results.(below)

To create complete products development is still required in some areas such as "3d Printing Battery".(below)

Electronic devices will also be helped by developments in "3d Printing Circuit" (s).(below)

Mainstream media and pop culture has already begun to see the works of "3d Printing Fashion" (below)

Across the web there are countless folks with reason to pop up in "3d printing blog" results (below) 

In the near future it's conceviable that "3d Printing Consumer Products" will be covered with devices and products from every range of industry.

And my personal favorite potential application "3d Printing Food" . Cooking and baking are sometimes compared to chemistry so who knows maybe someday a Michelin star chef will just be 3d Printer.

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