How-To Geek

Roll Your Own Passive 3D Movie System with Dual Projectors

If you’d like to enjoy 3D movies with passive polarized glasses for less than $50,000 (the average price of a passive 3D projector), this DIY setup brings the price down to a more accessible level.

Courtesy of 3D movie and theater enthusiast Jahun, this guide details how you can achieve passive 3D projection using two radically less expensive projectors, cheap polarized filters, and some software. The project won’t be free-as-in-beer but with some careful shopping the bill will ring up at the thousands instead of tens-of-thousands of dollars.

Hit up the link below to see how he pulled off miming a $50,000 projector for less than a tenth the cost.

Passive Projection [via Hack A Day]

Jason Fitzpatrick is a warranty-voiding DIYer who spends his days cracking opening cases and wrestling with code so you don't have to. If it can be modded, optimized, repurposed, or torn apart for fun he's interested (and probably already at the workbench taking it apart). You can follow him on if you'd like.

  • Published 09/14/12

Comments (6)

  1. r

    …seems like a lot of work & expense for something I’d never use

  2. Cambo

    I’m all for hacks, trends and new tech, but 3D is something I just don’t see taking off in people’s homes.

    I have a 3D TV, and tried it a couple of times but quickly get motion sick and the 3D effect is just not as pronounced as on something like an IMAX film. The flip side is it’s difficult to even buy a new LED TV without 3D capabilities.

  3. Kodess

    Lol, its a guide from 5 years ago.

  4. Poet

    Went to Sam’s club this week September 2012. Tried several 3D TV’s that needed you to wear glasses. Found it would be great if they got rid of that over shinny pane of glass placed in front of the screen. In some ways the red/ blue old school thing seems more elegant.

  5. Ushindi

    Interesting, as I have two nice, reasonably expensive Epson projectors and a large new screen. After reading the link, however, I’m not sure that any sort of 3D would be worth the time and effort involved – at least for me.
    Something to think about for a while…

  6. Steve

    Projects like this may be interesting just to read, but it’s nothing I would consider doing. My wife and I both agree that any home theater experience that involves wearing 3D-glasses or any kind of headgear to enhance the experience will never happen in our home. I think the idea of wearing 3D-glasses in the home is a fad that will die off in 3-5 years.

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