eurobot-ohw
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Wednesday, June 15, 2011
Josef PrůšaRepRap core dev
josefprusa.czflickr.com/prusajr/
@prusajr
Open Source self-replicating 3D printer
http://slidesha.re/eurobot-ohw
Wednesday, June 15, 2011
• has to provide source how to make it
• must allow derivatives
• ...
• http://freedomdefined.org/OSHW
Wednesday, June 15, 2011
• provides resources to learn stuff
• faster to develop - no patent hassles
• your thing is improved by others
• you can repair bought OHW by yourself
Advantages
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Arduino
• http://arduino.cc
• GPL and LGPL license
• 120 000 sold (Feb 2010)
(c) Arduino Team
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Derivatives
brmduino
boarduino
seeeduino
Wednesday, June 15, 2011
Arduino crushed all thecommercial DEV boards!
And helped many peopleto start with electronic.
Wednesday, June 15, 2011
Wednesday, June 15, 2011
Global Village Construction SetLifeTrac
Marcin @ OpenSourceEcology WIKI
Wednesday, June 15, 2011
Global Village Construction Set
• goal to have 50 open source industrial machines
• http://opensourceecology.org/
• founder Marcin Jakubowski
Wednesday, June 15, 2011
Open Source self-replicating 3D printer
http://reprap.org
Wednesday, June 15, 2011
What is 3D printer?
• Additive processes vs. substrative processes
• 3D printing adds material instead of milling it away
• Technology is 30yrs old
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How does 3D printer work?
2D + 2D + 2D + 2D + 2D = ?????X
Y
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How does 3D printer work?
X
Y
Z
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Simplified principle
X
Y
Z
+
Cartesian robot Extruder+
= 3D printer
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My experience on RepRap project
Mendel
Prusa Mendel
I started in 2009 having no clue about HW and electronics!
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Free stress-less educationYou can learn what you want, when you want,
how you want. In my case:
No HW and electronics experience
Successful printer redesign
Book published by O’reilly
18 months
6 months
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2009 Mendel
• Smaller
• Faster
• Faster to replicate
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2010 Prusa
• Almost no bearings, using PRINTED alternatives
• Build time reduced to few days for newbies
• Half replication time
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In 3 years almost the quality of commercial printers
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New printers
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• nobody really knows, most of the printers are crowd-sourced
• Erik de Bruijn estimated in his thesis between 3872 and 4840 people in the community (October 2010)
• But what we know for sure, community grows exponentially!!
Number of printers
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Printable objects are easy to be open
sourced
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photo by root.cz
First ever working open source
glasses?!
GPL v2
http://bit.ly/prusa-glassescost to print - 2€
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Upgrade in few hours
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Printable lathe
http://www.thingiverse.com/thing:9242
by sublime
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Infinite modularity,thanks to openness
by Unfold
printed pottery
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http://thingdoc.org
Documenting OHW
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PCBs
Printable parts
Lasercutparts
SimpleHow-tos
We are living in the internet of things
That means, we can share real Hardware online!
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We just don’t know how to organize it
...yet!http://thingiverse.com - messhttp://instructables.com - even more mess
...
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You can publish only completed projects. With hand tailored
documentation.Software has better solutions!
They can make documentation automagically!JavaDoc, PHPDoc, ...
Wednesday, June 15, 2011
ThingDOC solves that!It can generate your HW project documentation.
Works on simple text comments.Printed parts, lasercut parts, ...
ThingDOC is being developed on PrusaMendel RepRap parts.
Wednesday, June 15, 2011
Generator isn’t lazy!Normally you have to change documentationwith every update of the design! Thats hard
if documentation is long as small book and you update the design twice a day!
It causes:
1) Errors2) Out of date documentation3) Demotivates to update design often4) If you use wiki, its hard to find older documentation
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Forking is hard!
Wednesday, June 15, 2011
With ThingDOC every thing in project has it’s own info about properties and relationships!
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So when you update or switch one file, you still can get full
featured documentation!Means:
Easy forking! Easy updating!
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Documentation is hyperlocal!
Informations about the object are embedded in the same file!
Wednesday, June 15, 2011
What ThingDOC can do?
• Bill of materials
• Info about things
• Assembly instruction
• Structured data of your project
All in many formats! HTML, TXT, PDF, WIKI ...
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Interactive bill of materials
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Interactive bill of materials
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Things overview
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Assembly instructions!BEST!
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Works on mobile devices!
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From what it generates this awesomness?
Small comments like these!
Wednesday, June 15, 2011
Monetizing OHW
• selling kits - Sparkfun, Ladyada
• selling consulting
• selling support
Wednesday, June 15, 2011
Thank you
http://josefprusa.cz@prusajr
OHW and 3D printingconsulting
Wednesday, June 15, 2011
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