Introduction: Portable Holographic Displayer (Holo-Watch)
The Portable Holographic Displayer (Holo-Watch), is basically a hologram on your wrist. It was designed for entertainment purposes and definitely meets those purposes. The end product should be able to project an actual 3D Hologram, from what your eyes can see, and should look very cool. You will have to find videos on video viewing websites such as YouTube, all you have to do is search "Pyramid Hologram Video". Thanks, I hope you enjoyed this Instructable!
(Video at final step, of Portable Holographic Displayer in use!)
- Some sort of glass or plastic such as a CD case, this is what i used.
- Anything that is able to cut something like a CD case smoothly, such as a band saw or a craft knife.
- Any material of your choice to use as the base of the watch, such as cardboard, or a 3D printed case if at best.
- Must have access to a smart phone (The dimensions can be tailored to the different type of phones).
- Two rubber bands
- Velcro (Preferably the Velcro with adhesive)
- Box-cutter (If using cardboard for the base, which is what i used).
- An arm
- Must also have access to YouTube
Step 1: Creating and Cutting the Template
- First you must make your template. Your template will measure the same in the picture above. 1cm. for the short top part of the triangle, 6cm. for the long bottom of the triangle, and 3.5cm. for the distance from the top to the bottom. The angles are not very important as long as they are not to big or small, resulting in a triangle that is too elongated or too flattened. Make sure you to not come to a point at the top of the triangle, this is where you will rest the pyramid on the phone.
- Next, cut out the template and get it ready for measuring on the glass/plastic of choice, in this case, my CD case.
Step 2: Tracing, Cutting, and Building Our Pyramid
- Now that you have a template, you can trace it onto the CD case. First put a little piece of tape on the back of the template, then place the template on the CD case and trace around the template with a sharpie. Draw four of these pyramids.
- Next, is the cutting process. Take your CD case or cutting plate, and prepare it for cutting. If your using a band saw, safety first. Make sure to wear safety goggles and take all precautions necessary to be safe. After you know your protected, start your cutting. Go slow, and do not curve the blade. make sure you make clean cuts (There will be little edges hanging over the previously cut edge, but you can just break them off).
- After you have cut out all of your pyramid pieces, put them all together in a pyramid shape. This may be a little difficult, but its not impossible. Line them up, and tape them individually if you have to, and make sure they fit together nice and without as little as space as possible (A little will be fine). Finish taping them using clear tape, and try not to go towards the middle of the pyramid, stay close to the edges. There you have your hologram projector, feel free to try it on a hologram video if you would like to see if it works.
Step 3: Cutting and Shaping Your Base
- Now take your cardboard box (If that is what your using), and make sure you have a good one. Now cut out a decent sized square or rectangle in the box to use as a surface. After you have cut this out, you cant start drawing your template for the base. As seen in the picture above, the dimensions should be slightly bigger than the smart phone you are using, just to allow for the cardboard box to have some space to bend. When cutting out the template make sure you do not cut straight through the template, cut around your whole template. But if you do manage to cut your template, don't worry, you can just tape it back when making the base. Use a box-cutter to make a sort of screen shape in one of the top pieces of the template. This does not have to be exact but try to make it look nice.
- Next, take the template and bend it along your phone in a way that it covers all sides except one, this should be achieved with ease (If you cant get the bends straight on the cardboard, try getting a hard edge of some sort then make a crease with, it where you want the fold to be). Tape up the base and make sure it's fairly sturdy and can hold your smart phone in a snug fit. Your smart phone should also be able to slide in and out of the open end with ease. You now have your very simple homemade base.
Step 4: Finishing Your Base
- Now that you have your simple base, you need to make it into something we can use. This will be easy. Take your two rubber bands and cross them on the back, so they also make an "X" shape on the front/top of the base. Tape this down so they will stay in place. This will be used to hold your pyramid in position while working the device. Now take your Velcro and attach two small adhesive ends to both ends of the box (If you are having trouble, refer to the pictures). Now measure your arms size in the two different spots you want the Velcro's to be attached to. In my case it was the upper and lower sections of my right arm. After you have those measured, cut the Velcro to length, leaving one end attached to the section that is glued to the box, thus creating a sort of loop to hold the device on your arm. There the finished product is now complete.
Step 5: Using Your Portable Holographic Displayer
To use the Portable Holographic Displayer, all you have to do is take the pyramid, slide it under the two rubber bands, and whilst holding up the pyramid, slide the phone into place with the video ready to go. Just press play and watch the magic of the Portable Holographic Displayer.
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