This is the 3D printable Open Source Appropriate Technology gallery. Visit Open source 3-D printing of OSAT to access the main page for this concept.
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Wind vane
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2L watering spike v3
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Cup anemometer
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[http://www.thingiverse.com/thing:13152 Hemostat
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Stopper Clamp
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black mamba bicycle pedalBlack Mamba Bike pedal