Prusa i3
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Release status: working
| Description | Prusa i3 is a redesign by Prusajr.
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Contents
Introduction
The Prusa i3 is a redesign a reprap by Prusajr that incorporates lessons learned form older designs.
Main improvements
The following is a list of the main improvements made on the Prusa mendel iteration 2
- enhanced frame rigidity (prevents x backlash)
- easy assembly
- parameric files for multiple sizes/barings or bushings
Development
The development of the Prusa Mendel is hosted on github: https://github.com/josefprusa/Prusa3.
History
Printed Parts
The STL files to make the printer can be found at Clone_wars:_Prusa_iteración_3.
To compile yourselve use the files from Github [[2]] (box style files) [[3]] (Singel sheet style) Copy configuration.scad.dist to configuration.scad and fill custom settings section there
RP every .scad in this directory (except complete-printer) once.
Aim for 0.3mm layers and 2.2 extrusion width (width over thickness),
for 0.66mm stroke width. Printer is tested at this setting.
Using doc/complete-printer.scad as a visual clue and doc/manual.txt as a guide, build the printer.
Frame type
The prusa I3 frame consists of a treaded rod Y-axis that looks similar to meldel type frames and a other material vertical frame part for the X-axis and Z-axis. A single sheet frame can be made from metal or a box style frame that can be made from wood.
Single Sheet Frame
This is a frame created from a single sheet of metal (for example aluminum)
pro:
- Looks professional (subjective)
con:
- requires specialised tools (e.g. Water flow jet cutter)
- Less rigid connection between XZ-frame and Y-frame part
Box Style Frame
This frame is created created from 8 small sheets of wood.
pro:
- Can be created with standard DIY tools
- More rigid connection between XZ-frame and Y-frame part
con:
- Looks less professional (subjective)
Electronics
Stepper Motors
Controller Electronics
There are many controllers available to use for the Prusa i3. Choosing the best one for your printer is up to you. It's probably best to head over to Comparison_of_Electronics and choose the best one for you. The most popular tend to be RAMPS or Sanguinololu.
