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Sharing knowledge to build rich, sustainable lives.

Appropedia is for collaborative solutions
in sustainability, appropriate technology and poverty reduction.

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Windmillprint-crop.jpg Yes it is possible to print a windmill with a 3D printer for a fraction of the cost of manufacturing one conventionaly. Learn more about open-source 3-D printing of open source appropriate technology for sustainable development.

Prototype of Nutsy
FBP Nutsy. The Full Belly Project (FBP), has designed a Universal Nut Sheller (UNS) that are distributing throughout West Africa and Haiti. The UNS shells large amounts of nuts in a fraction of the time that it would take a single person.

Our Engr215 Introduction to Design class from Humboldt State University was divided into seven teams, each consisting of four members. Each team was given one of three assignments:

  • Create a smaller version of the UNS to be marketed in the US in order to fund FBP's efforts abroad.
  • Find a way to make a UNS out of cheaper, lighter and more sustainable materials for the countries of West Africa.
  • Find a way to make molds out of recycled plastic bags for the working parts of the UNS using extremely limited resources in Haiti.

Our team worked on the first of these assignments by redesigning the UNS to be marketable in the United States.

Asthma inhaler spacers

Spacer for asthma medications made from a 500cc plastic bottle.

Marshall McLuhan holding a mirror
There are no passengers on spaceship earth. We are all crew.

Marshall McLuhanW
Planted cattails at Millcreek greywater
Greywater, sometimes also spelled as graywater, grey water or gray water, is all of the effluent water from a household, such as water discharged from lavatories (bathroom sinks), bathtubs, showers, clothes washers, and laundry trays. Greywater is not wastewater from a sink used for food preparation, or water closet (toilet) wastewater.

The water leaving our homes carries nutrients and value. It may also contain pathogens, and/or harsh chemicals and care should be taken with it. However, it is not a great risk compared to blackwater (sewage).

Redirecting the water we use for tasks such as showering allows us to reclaim some of that value to grow plants and recharge the water table. It may be necessary to choose our soaps and detergents more carefully, if we use the greywater for watering and fertilizing plants.

Main portal: Water
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The Parras Summer Program, in Parras,W, Mexico is a summer immersion in Appropriate Technology, globalization and Spanish language and culture. See the Parras Invitation for more information.

Most of the Parras2005 group near Perote  
Most of the Parras2006 group near Perote  
Most of the Parras2007 group farming  
Most of the Parras2008 group near Perote  

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