SLA Printer Demo

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Thanks so much to Henry Locke for doing a presentation on 3D printing and the SLA printer that he built. (See brief video excerpt) It’s always a great treat when Henry stops by the MakerLab and we get to hear the vast knowledge and experiences of someone who has been a maker since well before the label was coined. He has built many machines found in our MakerLab in his home workshop! He’s created a business making and selling the resin vats for commercial brands of SLA printers, and counts research facilities, universities, dental labs, and tinkerers as clients who choose to replace their OEM vats with his designs. You can find out more info about SLA printers and other projects like GPS-controlled robots at his website at http://projectsinterestsandetcetera.com/ .

SLA printers use light to cure a vat of resin layer-by-layer until the 3D object is formed. Henry’s version uses a standard video projector as the light source, a Z-axis and stepper motor attached to about $30 of electronics to allow movement, and open source software to make the slices and control the process. The leading SLA printer brands, FormLabs and Carbon3D , are more expensive than the typical PLA filament printers that most makers have, Henry’s version can be made in a weekend for a couple hundred dollars.

We’ll be building one of Henry’s machines at SouthWorks later in the summer, and all are invited to participate.

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