Instructables

How to realize a Stereoscopic 3D digital photoframe

Picture of How to realize a Stereoscopic 3D digital photoframe
3D photgraphy, also known as stereo photography, is nothing new.
But while it is easy to make 3D photos, 3D viewers are still very primitive (think about those orrbile blu-red glasses or anaglyphs, or cross-eye vision ), or very expensive (like stereo projectors).
What I found was that a device for viewing 3D photos, cheap and easy to use, was still not available.

So, i made one.

Well, I hoped to make a product and be able to sell it, but at the end, I had still my prototype laying here, so let's at least make an instructable out of it :)

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Step 1: How it works.

Picture of How it works.
The basic idea is always the same: you must have two photos, two images, of an object.

One is what the left eye would see, the other is what the right eye would see.
Usually you get these two images with two cameras, or by taking a photo and sliding the camera horizontally for 6-7 cm, that is the distance from one eye to the other.

Then, you show the two images to people, managing in some way that their left eye sees only the image taken with the left camera, and their right eye sees only the image taken with the camera on the right.

If you manage to do so, no matter how, they will see a 3D image of the object you photographed.
Gyurej3 years ago
I made similar 3D monitor.
Either monitor (what mirrored) picture is mirrored. You must mirroring this picture before, in order to see it correctly than. I use Stereoscopic Player to view my pictures or movies.
I use my computer for modeling in 3D.
I'm interested in which program can flip mirroring only one desktop when I use dual monitor.
This is really cool DIY project.  I'm interested in applying this to a dual monitor setup for doing stereo videos.  The advantage of a monitor setup is you can flip the display using the properties settings.  This is similar to Planar's SD2020stereo monitor.  Assuming you have the monitors already, I see you can find tv mirror samples (12"x12") for $20 to $40 and assuming you get 3 linear polarized sheets (1 for each monitor and 1 to make the glasses), you can have a 3D system for ~$50 to $60.  Not too shabby.
I bought a half silvered mirror sample (12x12) and a pair of cheap linear polarized glasses (~$30). I set up my laptop with an external lcd monitor similar to the configuration above. I placed the left image on one screen and the right on the other and aligned them so they overlapped in the half silvered mirror. It works pretty slick. I'm interested in getting a laptop with a blu-ray drive and a 3D blu-ray movie and seeing if there is a way to get the left and right images to display on the respective screen. That would be an amazing low cost 3D setup for ~$30 (ignoring the cost of laptop and external monitor).
madaeon (author)  stud_in_study4 years ago
if you use lcd monitors, as i have written, they are already polarized; you should not need a polarizing sheet over the monitor. you should buy polarizing shhet only to make glasses-
if yoiu use crt monitors instead, then you will need a sheet over each monitor too.

The problem with LCDs is, that some have 45 deg angled polarizers and some don't. With 45 deg it works, when you flip one of the by 180 deg. With 0 oder 90 deg, you're doomed. You might consider this :  3-D iPad stand

degroof4 years ago
When I built my prototype (many years ago), I cobbled together a half-silvered mirror using a sheet of glass from a picture frame and some silver window film from an auto parts store. The only problem with that is that, at certain angles, the film distorted the polarization.
 I believe the film itself had polarizing qualities.  I know that even simple seram (? .... not even a clue how to spell it, so I'll sound it out) -- sir am -- wrap polarizes.

rimar20004 years ago
Please look this.  farm3.static.flickr.com/2440/3996034833_c0b4ed8c4a_s.jpg
http://farm3.static.flickr.com/2440/3996034833_c0b4ed8c4a_s.jpg

It is spanish text, whose translation is: Finally, after much prodding, I managed to see the PES (Parallel Eyed Stereograms) using two identical magnifiers. They are about 5 diopters, and placed before the eyes so as to use only the edge nearest the nose. It's the same effect (or almost) of the legendary Holmes stereo viewer. I normally use 2.5 diopters glasses, but I had to ignore them because all together was too much magnification.
madaeon (author) 4 years ago
 Reading the patent seems exactly like mine :)
Good thing I didn't know it, it's nice to know that I arrived here just from my thoughts instead of reading it somewhere :) Maybe if I had known that it was patented,i would not even have made it:)
degroof4 years ago
Hmm, looks a lot like patent 5598282 :-D