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If DIY molten aluminum printing gets real, recycling in poor areas will definitely change as they will have cheap but powerful manufacturing tool.



























Source: http://solidsmack.com/fabrication/can-city-fabricating-furniture-from-melted-aluminum-cans-on-the-streets-of-sao-paulo/

This video shows how German midsize high-tech company is using 3d printing to optimize it's production process, cut costs drastically and reduce time needed for component manufacturing.

Desktop spin casting machine would enable you to make series of objects with rapid molding process. This could develop into very interesting sector of machines and products.

Co-Founder of TeMAAK and Inventor of the RotoMAAK, Mark VanDiepenbos presents the RotoMAAK desktop rotational molding machine and demonstrates its use.
The RotoMAAK evenly distributes 2 part epoxies, as well as other rotational mold materials, to make parts out of 3d printed molds, silicon molds, or other types of molds in as little as 5 to 10 minutes. More details and specs coming soon, including the date for the Kickstarter campaign. Sign up on their website www.rotomaak.com to receive email notifications about its development and Kickstarter Launch.
Mark VanDiepenbos is a part of Makerspace Goshen, the same group that John Oly and Steve Wygant of www.seemecnc.com (Rostock Max and Orion 3D printers) are a part of.

If you are not sure what spin casting is (like I was) here is wikipedia page on it: http://en.wikipedia.org/wiki/Spin_casting

Here is a link to another DIY spin casting centrifuge that illustrates the process:

http://www.myheap.com/chapter-2-tools/a-spin-casting-centrifuge.html

Tested.com gives us the tour of Otherfab and presentation of Othermill, tabletop precision mill.  Othermill team member talks about design for milling and connection with 3d printing.  Primary job of the Othermill is PCb milling, but it can also mill aluminum and make molds from machinable wax.
Very cool device, perfect in synergy with a 3d printer.
There is a trend of hybrid machines with both 3d printing and milling options in one machine, but designated machines can probably do the specific job they were designed for much better.





First post about Othermill: http://diy3dprinting.blogspot.com/2013/05/othermill-desktop-precision-mill.html


Company page: http://otherfab.com/, www.othermachine.co
Direct Othermill product page: http://www.othermachine.co/products/

Othermill frame

From video description:

Dan from AS220 labs in Providence, RI show us how to make an entire set of printed parts for a MendelMax in just three hours

Video by: http://www.youtube.com/user/hackaday?feature=watch

Extensive tutorial with all the details and pictures:

http://robobrrd.com/learn/flexiblelinks/