The Twelve Days Of… Self-replicating

December 8, 2010 by 24 Comments

Okay, it’s more like the 23 days but who’s counting? [Kliment] is giving the gift of self-replication this holiday season by uploading one new printable part a day. If you follow along and print each one you’ll have a Prusa Mendel by Christmas (this started on 12/2 so you’ll need to catch up). The Prusa is a variation on the Mendel that uses bushings wherever possible, reducing the need for bearings down to just two.

So yeah, you need to have access to a 3D printer in order to make the parts for this 3D printer, but that’s how it always works. [Kliment] has gone the distance to make this little exercise enjoyable. The parts that take longer to print are reserved for the weekends, some have been altered to include a holiday theme, and all of them have been optimized to fit on a Makerbot build platform.

[Thanks Christopher]

Building A Laser Cutter From A Weak Laser

August 26, 2010 by 24 Comments

We covet laser cutters and this diy model with a 1 Watt IR diode may be well within our price range. Most commercially available laser cutters, and some homemade ones, work in the 20-100 Watt ranges, using a CO2 laser. They have more than enough power to cut right through a lot of materials so how can a 1W diode compare? It seems that the weaker laser is still quite powerful right at its focal length, so moving that point along the Z axis will let you burn away a larger depth of material. The test rig seen above uses optical drive components for the three axes and managed to cut a rectangular piece out of the black plastic from a CD case.

This isn’t [Peter’s] first try with CNC lasers. He’s the one that’s be working on an open source selective laser sintering platform.

[Thanks Osgeld and Vesanies]

Bay Area Maker Faire 2010 In Pictures

May 24, 2010 by 12 Comments

Just when you think it couldn’t possibly get any bigger and crazier, they manage to outdo themselves again. The Bay Area Maker Faire wrapped up Sunday evening, but we have so many story leads that we’ll probably be busy until next year’s event. In the meantime, here’s just a tiny, random sampling of the countless delights that greeted visitors this past weekend.

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Heated Aluminum Bed For MakerBot

March 26, 2010 by 6 Comments

[Keith] built this aluminum-plate heated build stage for his MakerBot 3D printer. We just saw a different MakerBot heated build stage yesterday that relied on glass as the printing surface. Keith’s design is similar to the aluminum RepRap bed but scaled down for the MakerBot. He had a piece of aluminum machined the to correct dimensions, and perfectly flat to use as the printing surface. The yellow surface is caused by Kapton tape applied to the top of the plate. This heat-resistant covering is perfect to print on, resulting in glossy smooth surfaces that are easy to remove once the printed part has cooled. He’s working on improving his mounting technique to achieve prefect level so that he can print without a raft.

[Keith’s] writeup is phenomenal. He’s sharing knowledge in a way that is useful even if you’re not building the exact same kind of project. Follow his lead with your own write-ups, then let us know once you’ve posted them.

[Thanks Marty]

CupCake CNC Kit

March 16, 2009 by 29 Comments

cupcake

The CupCake CNC Kit is the flagship product of MakerBot industries, a joint venture between [Bre Pettis] and [Zach Hoeken]. At $750, it comes with all the motors, belts, body pieces, bearings, belts, and other pieces to assemble it. You could be printing your own 3d objects in a matter of hours with this. 3D printers with only slightly larger capacities can run thousands of dollars. The only advantage to some of the commercial products might be resolution. They don’t give much as far as technical data as the unit isn’t available yet. They should start Shipping before April 15th, so they can’t be far off. This could possibly be a competitor for the RepRap. Since RepRap doesn’t offer a complete kit, we’ll have to speculate. We’ve seen estimates from $500 to $1000 to build one.

[via adafruit industries blog]