LittleRP, The Latest Of The Resin Printers

LitleRP Over the last few years, a few resin / stereolithography printers have been made a few headlines due to print quality that cannot be matched by the usual RepRap style filament printers. These used to be extremely expensive machines, but lately there have been a few newcomers to the field. The latest is the LittleRP, an affordable DLP projector-based resin printer that can be put together for under a kilobuck.

Instead of proprietary resins, the LittleRP is designed to use as many different formulations of UV curing resin as possible, including those from MadeSolid and MakerJuice. These resins are cured with a DLP projector, providing a print area of 60x40x100mm with the recommended 1024×768 projector, or 72x40x100mm with the alternative 1080p projector.

This isn’t the only resin printer that’s come out recently; SeeMeCNC recently announced their cleverly named DropLit resin printer kit, going with the same ‘bring your own projector’ idea as the LittleRP. With the price of the printer, both of these kits should cost less than $1000 USD. With the price of UV resin dropping over the last few years, it might be just the time to get in the resin printer game.

Home Made Resin Based 3D Printer is Incredible

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Resin based 3D printers (SLA) are the next big thing, and while they may seem daunting at first, in some ways they are actually simpler than FDM machines with less moving parts! Loosely following an Instructable, [Dan Beaven] has just finished putting together his own home-made 3D DLP Printer, and it’s bloody brilliant.

He owes a lot of thanks to [Tristram Budel] and his incredibly detailed Instructables guide on building  a 3D DLP printer, but [Dan] has also added quite a bit of his own flair to the build. Most notably is his method of separating layers from the vat of resin — most designs tilt the bed slightly to counter the suction forces, but his slides the vat back and forth along the Y-axis, which seems to work extremely well.

The printer is built out of 1″ T-slot aluminum and has a NEMA 17 motor that provides the Y-axis movement along two linear rods for the vat. The Z-axis stage uses a NEMA 23 motor and has a whopping 14″ of travel. Combined with a 104mm x 204mm build plate, this thing can print some decently sized parts!

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3D DLP printer builds an orange TARDIS

This micro-sized TARDIS is the latest print from [Ron Light]‘s Sedgwick 3D DLP printer. Yes, it’s orange, but the print quality for such a small object is pretty astounding.

The Sedgwick 3D printer is currently available as a kit on Kickstarter. For five hundred bones, the Sedgwick provides all the parts – minus a DLP projector and resin – to make your own miniature Type 40 with a broken chameleon circuit. There’s a lot more this printer can do, from miniature cathedrals to hollow geodesic spheres.

This is the latest in what will be a long line of DLP projector / resin 3D printers, and the most affordable one to date. The last one we saw was an awesome $2400 machine that included a projector and resin. At $500 for a projector-less kit, the Sedgwick still handily beats even the cheapest option we’ve seen so far.

[Ron Light] is from Kansas City, and our boss man [Caleb] ran into him at the KC Maker Faire a few weeks ago. You can check out that little interview and a few videos of the Sedgwick doing its thing after the break.

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