3D printing technology since its inception, it has been optimistic about the world's various industries, but the development of many years is still a relatively small technology, only in the field of business and fashion in a small range of applications. However, they also need to use plastic raw materials as materials in the production process, and 3D printing pen is one of the more special a product, after all, it looks more like toys, and the operation is relatively simple, the price is not expensive.

In recent years, a variety of 3D printing pens have appeared in the market for a period of time, they have a common feature is the use of plastic filaments as materials, manufacturers need to buy filaments from raw material manufacturers, which is an invisible cost. Of course, from the other point of view of environmental protection, the world's plastic waste is very much, and the additional "manufacturing" of some garbage, from the point of view of environmental protection is not particularly good.

However, the power of environmentalists is strong, such as the developers of Renegade, which has brought us a very environmentally friendly and cost-effective way to 3D printing. In simple terms, the Renegade 3D printing pen can be produced using only the plastic bottles we drink as the plastic raw material.

Renegade has a convenient material making tool that simply cuts the bottom of the plastic bottle with a knife, then holds the gadget inside the bottle, and then stretches the plastic bottle through the cut to turn it into a flat strip.

Then, by inserting the plastic flat into the slot at the back of the Renegade pen, you can 3D print. Yes, it's as simple as that, and the cost is incredibly low.

The Renegade isn't the smallest or cheapest 3D printing pen, but the fact that you don't need to buy the ingredients is a big selling point. In addition, the online tool it provides makes it easy to convert 2D images into 3D printing templates, which is also very easy to use.

Of course, for those users who don't like to make their own printing ingredients, Renegade also offers a ready-made solution, which can be purchased directly in a 500g roll of various colors (including red, orange, yellow, green, light blue, purple, brown, black, white), plus a base accessory. As for the print quality, it looks pretty good from the finished product presented on its crowdfunding page. Of course, you'll need some proficiency to make fake flowers as beautiful as those on the site. The

Renegade will start at 65 pounds (578 yuan) in the early days, and will be officially priced at 95 pounds (755 yuan). According to Renegade, the 3D printing pen, which uses waste plastic material, will be shipped in 2017.

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