Remember Olaf Diegel? This engineer from New Zealand creates well-working 3D printed electric guitars with amazing structures. Despite 3D printed instruments don’t sound as good as their handcrafted counterparts, Diegel’s guitars are surely worth taking a look at. His work includes a guitar with moving gears and piston and an America guitar, with tiny objects such as the Statue of Liberty within its frames. For all of you wondering how to create such a guitar yourself, the engineer now unveils his methods.

He recently put a video online, in which he explains very accurately how to 3D print your own electric guitar. He explains how the manufacturing process of 3D printing takes place and which programs could be used to design one’s own guitar. In addition, he also says the technology won’t replace traditional manufacturing technologies, but could be seen as a complementary technology.

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The U.S. Army is a pioneer when it comes to 3D printing, but some say they went too far this time. The American army wants to use the technology to provide for cheaper warheads, so says an official to Motherboard, who are very skeptical about these developments. The website itself compares this kind of 3D printing with something as dangerous as printing guns. The U.S. Army also experiments with bioprinting in order to recover wounds, and investigates how food printing could help the military world.

The idea behind using this technique is that the U.S. Army could one day build warheads with smaller and more compact parts that save the army money and allow for more security measures. Motherboard, however, thinks the entire development generally comes down to being the U.S. Army’s “latest bid to kill more people, more efficiently, and at less cost”. Despite the skepticism from Motherboard, the army hopes to one day be able to 3D print entire warheads.

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All good things come to an end and the same thing goes up for this year’s Tour de France. The tour ends today, which is probably good news for all exhausted cyclists, but we can imagine fans would have liked the tour to continue for a little longer. But maybe this 3D artwork will help fans to continue their enjoyment.

The tour the France is always held in France, but the cyclists cross different countries as well, as the tour would otherwise be too short. However, if you’re living in Northern England’s North Yorkshire, you wouldn’t expect the tour to cross your town. Nevertheless, that is what happened this year and Niki Firmin therefore came up with the idea to commemorate the rare occasion using a 3D pen.

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BMW has come up with something interesting, combining 3D printing technology with ecology. They’ve been working together with Swedish architect Erik Melldahl to design what they’ve called Maaisaica, a 3D printed BMW car, which uses degradable materials. It was built in Sarengeti in Africa and Melldahl got his inspiration from the Maaisai culture as well as new ways of manufacturing.

They’ve created a concept, which has to go to the Maasai tribe in Serengeti. The striking thing is that this car uses lots of degradable materials. The main body of the car is made of a mixture of mycelium mushrooms and grass and this is grown on top of a 3D printed structure. In only a few days, this degradable structure can be printed. The vehicle uses a membrane, which collects fog during the night and creates a self-sufficient system to cool the motor and greenhouse. This water can also be used to collect water for nearby villages.

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