DIY 3D Printing With A DLP Projector

So Junior Veloso just decides he wants to build his own 3D printer using visible light. His solution is to use a DLP projector to cure visible light-sensitive resin. Just like stereolithography, the rig builds the part on a platten coated with a thin (.01mm) layer of light-curable resin where the projector projects the shape to be built.

I would think that if you had a projector with a high enough resolution (right now he’s using a 1024×768 projector), this might be faster than the mirror-aimed laser used for SLAs since the entire layer would be cured simultaneously. So far, his early samples are pretty nice. Take a look at Junior’s progress on his blog.

[via Hack a Day]

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3 Responses to “DIY 3D Printing With A DLP Projector”


  1. 1 Daniel March 12, 2012 at 6:22 am

    This is something that was new for me!
    Thank you for this great post.

  2. 3 Alex_III April 20, 2012 at 3:22 am

    hi Junior Veloso, what’s is the lumens rating of the projector? and is it possible to use LCD projector?


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