3D Printing from scratch covers the whole process of creating a new object (T-Rex keychain) using a RepRap Prusa i2 and Blender 2.70.

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Technical information:

Printed in plastic PLA.
Electronic board: Sanguinololu 1.3a
Chipset: ATmega 1284p
Firmware: Marlin 1.0
Workspace: x: 19cm y:19cm z: 8cm
Layer height: 0'28mm
Wall width: 0'4mm
Fill density: 0.8 (80%)
Filament diameter: 3'00mm/1'75mm
Extruder temperature: 185ºC
Bed temperature: 60ºC
Nozzle diameter: 0.5mm
Cold end: Jonaskuehling Greg's Wade extruder
Hot end: Customized version of the J-Head extruder

Music by The Postal Service - Such Great Heights

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