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This instructable will show you how to make a easy inexpensive camera slide to take 3D photos using a regular digital 2D camera.
A 3D slide allows you to take to photos parralle to each other so you can combine them together to produce a great 3D image.

It will not include instructions on how to make the 3D photos themselves. There are other places on the web that show how once you have taken the 2 photos. I use a free program called Paint Dot Net http://www.getpaint.net/ to make mine.

Here is a tutorial that shows you how to use Photoshop to do the same thing. http://www.opentutorial.com/Make_3d_images

Here is one for Paint dot net http://docs.google.com/Doc?id=dsgjq79_473fn2g73dc

The parts for the slide should cost less than $5.00 and can be found at Home Depot or Lowes.
You will also need a tripod and digital camera (the camera must have a tripod fitting on bottom.

Tools you will need:
Drill
Hammer
Screwdriver

Here are the parts you will need:
(1) A 2x2 piece of wood. at least 8 in or so
(2) A 5/16" drill bit and 1" in paddle drill bit.
(3) 1ea 1/4"- 20x5/16 'Tee' nut coarsehttp://www.mcfeelys.com/product/SSN-2520/14-20-Stainless-Steel-Tee-Nuts
(4) 1ea 1/4 bolt and washer
(5) RTR Strong Tie. I bought mine at Home Depot for about $1.25. The are in the lumber section and are normally used to hold to pieces of wood together. http://www.strongtie.com/products/connectors/rtc-fwh.asp

Step 1: Cutting and Drilling

Cut your 2x2 down to a 8" length (approx).

Mark a spot in the exact center of one side. This will be your top.

Drill all the way through at the center with a 3/16 drill bit.

Drill almost all with way through with a 1" paddle bit stopping at 1/4" from going all the way through.

Use drill to expand hole on RTR Strong Tie so it will be big enough to accommodate 1/4" bolt for camera.

Step 2: Putting Pieces Together.

Take the Tee nut and insert in the hole barb side down.
Push all the way down then take a hammer a screwdriver and lightly tap the Tee nut into place.
At this point you can now attach to your tripod.

Step 3: Attaching Camera

Attach camera to RTR Strong Tie through hole made in previous step using 1/4 bolt making sure you have a wing or standard nut to tighten and keep camera in place.

Place camera with RTR slide on top of wood attached to Tripod. Be careful not to let let it slip off and break because it will not be attached to the wood but only sitting on it.

Step 4: Taking the Photos

You are now ready to take 3D photos. Simply take one photo from the left side (from the camera's perspective) and then a second one from about 4 inches to the right.

Good subjects for this kind of photography:
Still nature shots
Statues
Still life
People IF they can be completely still.
Sleeping pets.
Buildings
Parked cars
Plants

Bad subjects for this kind of 3D photos
Animals
Children
The ocean unless completely calm.
Trees and plants if it is very windy.
Traffic
Crowds

This is my first Instructales & I hope it helped you.
Have Fun!
I agree with Airdog320 - spin the camera to reduce the wobble.<br> <br> Also, you could do with something more accurate than sliding '3 to 4 inches to the right'.<br> <br> I notice there are 2 holes on the front corners of your RTR strong tie (and&nbsp; 2 more, presumably, on the&nbsp;other side)&nbsp;- if you drill a hole into your 2x2 through one of them, at the start point, and another 6cm to the right, you can put a little peg in when taking each image, and get the same offset each time (so it's easier to line things up when you process them).<br> <br> A second option would be to take a nail-punch to the top of your RTR strong tie and drill a couple of countersinks into the top of your 2x2, so that sliding your camera across uses its own weight to 'locate' into the second position.
I like it. If you revise the design maybe once more you'd have a real winner
Why not turn the camera around 180 degrees so it sits over the wood, might take out some of the wobble.

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