Twist Camera Self Powered Camera with Winding Mechanism for Power

The new technologies of digital cameras have become more and more complex, which leads to creating more sophisticated parts and more complex disposable waste. Based on that issue, Bryn Seymour and Jon Rothapfel tried to help creating self powered eco friendly camera. Inspired by other contemporary self powered devices such as radios and lamps, the Twist Camera is a small portable digital camera that uses a winding mechanism for power and would be capable of taking several photographs per cycle of the mechanism.

The Twist Cameras features are minimal with the view finder being a simple hole in the body for the user to look through, a knob to wind for energy, one button for shooting a photograph and a multi colored L.E.D. (Light Emitting Diode) for the user interface.

self powered twist camera

self powered twist camera eco friendly technology


Photographs can be uploaded from the camera via a USB (Universal Serial Bus) plug that is hidden under the winding cap to a computer for further distribution and viewing.

It is intended that such a device could support resolution of up to 5MP with current technologies and find use in a range of diverse areas such as recreation, children’s products and third world use.

The self winding mechanism is also intended to highlight how the latest technologies can live in a more harmonious way with us in our society and hopefully make people aware that energy does not just only come from a power point.

self powered twist camera green technology

Designer : Bryn Seymour and Jon Rothapfel




Greencycle-Eco Uses Pre-fabricated Bamboo as Its Main Material

Greencycle-Eco is a bicycle that explores the use of our current technology, instead of high and sophisticated technology in order to reduce the production cost. The result is affordable bicycle for farmers and other lower income demographic group in Third World Countries. At the same time, this strategic implementation can also be used for First World Countries to achieve greater sustainability.

Pre-fabricated Bamboo panel products have been chosen for the Greencycle-Eco design. With the increasing demand for using greener and more highly renewable materials followed by recent technology developed in India and China, research studies and material testing on Bamboo panel products have shown positive results in the quality and mechanical strength.

Designer : Paulus Maringka

Greencycle-Eco by Paulus Maringka

Greencycle-Eco by Paulus Maringka


Taking into consideration production costs, the design pattern of Greencycle-Eco reduces the number of component parts to three different forms with two sets of identical parts being repeatedly cut out using CNC from a bamboo based panel product.

Standard bamboo panel measuring 1200 x 2400mm can provide enough parts for eight bicycle frames which can be cut out in a short amount of time and reduce the production cost considerably.

Using a pre-fabricated bamboo panel product as the main material for Greencycle-Eco offers a number of advantages including:

  1. The product is made from a renewable material, abundantly grown and commonly available in Asian countries.
  2. It has consistent good quality.
  3. The overall bicycle can fit into a small flat-pack package making it economical to transport (reducing carbon footprint) if shipping is required.

Greencycle-Eco by Paulus Maringka

The steel brackets used as a joining component, will last and can be reused while the bamboo parts can be easily and cheaply replaced when needed.

To increase the bicycle’s functionality and load capability, the following changes have been made as part of the design features of the Greencycle-Eco:

  1. Frame length has been increased by 20% to create greater surface area to carry loads without compromising the stability, maneuverability and safety of the user.
  1. Changing the shape of the downward angled seat stays of the traditional bicycle creates an opportunity to provide not only a support for the rear seat but the point of attachment is required to give the users a freedom. In this way, users can develop or customize their bicycle and turn this humble vehicle into a form of transportation which better suits everyone needs without compromising its functionality as a form of transportation or operational safety.

Greencycle-Eco by Paulus Maringka

Tuvie has received this “Greencycle-Eco Bicycle” concept from our ‘Submit A Design‘ feature, where we welcome our readers to submit their design/concept for publication.




Armstrong Bin Reduces The Consumption of Garbage Bags

Armstrong Bin is a compression dustbin designed by Sukwon Park and Sungwoo Park, which is an unusual effort to increase cleanness and convenience by reducing the use of garbage bags. Using more garbage bags will eventually increase the waste since garbage bags are likely to be turned into more garbage. The concept Armstrong bin would be the initial step of developing a waste free earth, just like the monumental step of Armstrong on the moon. This bin can reduce the garbage bag consumption by compressing the bags with simply putting pressure with a foot.

armstrong bin

armstrong bin

armstrong bin

Designer : Sung-woo Park






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