• Type
  Prototype
  Research
  Tutorial

• Category
  Housing
  Food
  Water
  Energy
  Hygiene
  Materials
  Tools
  Health

• Cost
  0 - 10
  10 - 50
  50 - 100
  100 - ∞

• Difficulty
  Very easy
  Easy
  Medium
  Hard
  Very Hard

• Filters

  Sort

  Last modified

  Most done

  Most liked

  Most commented

  ---

  Search by creator

  ---

  Show results in all languages

200W Wind Turbine

The hand-crafted 200W, 4 ft wingspan Piggott wind turbine.

• Hard
• 20 day(s)

Phyto-Purification of Wastewater

Ecological Sanitation of Wastewater

• Medium
• 8 day(s)

Solar air heater

Solar air heater, for any type of house, by Guy Isabel.

• Medium
• 2 day(s)

Multifunctional Crankset

A bicycle crankset that can power multiple tools such as a blender, a drill press, a sewing machine or even an electric generator.

• Medium
• 2 day(s)

Ceramic water filter

A ceramic water filter is a system for purifying unsanitary water. This tutorial aims to show how a ceramic water filter works and how to build one on a semi-industrial scale.

• Hard
• 3 day(s)

Low-tech Computer

Un modèle d'ordinateur basique mais répondant néanmoins à la plupart de nos besoins quotidiens. Le tout, pour un prix n’excédant pas 30 euros  !

• Medium
• 1 day(s)

Solar Oven (box-type oven)

Box or a parable shaped, the solar oven makes it possible to cook your food using the sun rays.

• Easy
• 1 day(s)

Desert fridge

Make a refrigerator that works without electricity!

• Very easy
• 2 hour(s)

Load more