DIY Hololens

by FultonX Mar 12, 2015
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Are you still developing this?

great design, aber im going to use it for fpv

Is there an app that is supposed to be used with this DIY Hololens?

Are you supposed to print the parts with 3 cuts? or should it be fine printing the whole parts?

The "additional reflector" is necessary, and provided as two options: whole(1 file), and cut into 2 halves(2 files), but you only need to print one of the two options (1 or 2 files, depending on your choice). The entire DIY Hololens is also optionally provided as one piece(1 file), in which case that is the only file you would have to print with no need for the additional reflector.
Otherwise you must print each other file that I have not mentioned above, along with one of the two additional reflector options (1 or 2 files, your choice, as mentioned above).

It all depends on your printer bed size and quality of support generation. I had to use the all the "cut" pieces, both for the base and the additional reflector with my Printrbot Simple Metal

I have had a private demo of HoloLens. PM me if you have questions.

Hello fultonx, I love your project. What if you were to flip the smartphone around so it could be used as a periscope. I tried this idea and it works really well, as you do not have to flip any images on the screen and you can still use the smart phone's own camera. Also, I found that instead of using a concave/convex mirror, a flat one works just as well. Also, to greater simulate the holo lens experience, why not use the holo lens emulator along with a remote desktop connection from your smartphone to a computer. Then you could use a leap motion sensor to control the holograms, and you would not have to build any custom software. Please try to experiment with these ideas and let me know if they work for you!

Oh, also because flipping the iphone/mirror design around may cause strain on the head because of the uneven weight, why not add a 3rd head strap also connected to the top of a person's head. I think this might make the entire project more comfortable to test. Thank you for your time!

I love the periscope idea! I have not had a chance to try yet, but I'm sure a third strap would do wonders. There is acutally a slot for it (kinda) on the headset, as placed by the designer of the vr headset model on which I based my design. Just need to go to his and print the buckles: http://www.thingiverse.com/thing:554259 and give it a shot. Good luck!

Note4VR Version 4

Wow, dropped the ball and lost it down the sewer drain on this one... coming soon, my apologies.

I will be putting the whole piece file up soon. Sorry for the wait!

I would love to construct this soon, but i am too impatient to print all the parts. Could you possibly uploaded a version with whole pieces instead of two halfs? Thanks for your consideration

A friend found a product called one-way mirror film. It is usually used on windows in the home to let light in but still provide privacy. I ordered some to try on the piece of plexi-glass. Hopefully the silvering will not only make the image brighter, but also allow me to remove the film from the back side (which blurs the outside world slightly, although given how rough around the edges this whole thing is, may be hiding some focus issues for various distances, and be for the better in the end lol, we'll see). http://www.amazon.com/Gila-PRS361-Daytime-Privacy-36-Inch/dp/B000H5XTKG/ref=sr_1_1?ie=UTF8&qid=1426261965&sr=8-1&keywords=one+way+mirrored+film

I used PLA on my Printrbot Simple Metal using Simplify3D. 204 degrees, but otherwise standard settings for PLA for any software should do. Some pieces may need a raft to hold all the support material to the bed, it just depends on your printer. I'm still new to this so I haven't had a chance to experiment with ABS, but I don't see why it wouldn't work. The parachute-style buckles probably prefer PLA's flexibility over ABS's, but the rest should be fine. I may try out semi-rigid Ninjaflex next. Otherwise, please post results if you or anyone tries alternate materials. Thanks!

What's the material for the headset?

Yes! The convex mirror helps project the image further away from the eyes, and combats the distortion from the magnifier. Thank you for the feedback, I'm updating the instructions now.

The mirror is not very curved. It is akin to a small make-up mirror, and was simply the first one I tried. My current guess is that the more convex the mirror is, the further away the image will appear. But more distortion will crop up, alluding to a need for either more magnification (which could mean more FOV potentially), software correction of the image prior (still cool because the further the image is, the more comfortable it might be to focus on it), or finally, both. At the current currently configured 16" mark, it is perfect for arm distance and thus, hand manipulation of the virtual objects.

Please experiment and share what you find!

I assume the mirror is placed convex side facing the phone? Cool prototype, I should be printing one soon.
Edit: If I'm looking for another mirror, about how curved is yours? you mentioned a bike mirror, which I could pick up locally.