[Chicago] Repraps

[Carl Karsten]

YAAAAAAAAAAAAAAAAaaaaaaaaaaaaa!

On Thu, Dec 15, 2011 at 6:20 PM, Jonathan Palecek
<jonathan at creativecommons.org> wrote:
> I'm fine with delaying until february
>
> On Thu, Dec 15, 2011 at 6:13 PM, Adam Jenkins <emperorcezar at gmail.com> wrote:
>> NOOOOOOOOOOOOoooooooo!
>>
>> On Thu, Dec 15, 2011 at 6:11 PM, Carl Karsten <carl at personnelware.com> wrote:
>>> On Thu, Dec 15, 2011 at 5:56 PM, Jonathan Palecek
>>> <jonathan at creativecommons.org> wrote:
>>>> Hi everyone!
>>>>
>>>> I've been prodded by C'webber and Carl Karsten to volunteer to give a
>>>> talk about RepRaps and 3d printing.  While not strictly about Python,
>>>> most of the software I use is written in Python, so I could talk about
>>>> some of that.  And - of course - it would be obligatory for me to
>>>> bring in my RepRap and print something awesome while talking.
>>>>
>>>> Question is, what do you want to hear about most?  There is a great
>>>> deal of depth involved in building and modifying a home-made 3d
>>>> printer.
>>>> For one, I could talk about all of the stuff I didn't know, and
>>>> venturing out into a reasonably difficult project with little
>>>> qualifications to do so an zero documentation - and all of the cool
>>>> stuff I discovered in the process.  Another thing, the device is
>>>> controlled by an Arduino which receives g-code commands from the
>>>> computer via a serial interface.  I'm sure there's some interesting
>>>> stuff going on in the firmware that I could dig up, or in how some of
>>>> the logic is implemented in hardware; and possible ways either of
>>>> these could be improved.  Or I could talk about the parts where python
>>>> is actually involved:  I use blender for modeling, SFACT - a huge
>>>> intimidating pile of python used for slicing 3d models and generating
>>>> commands to drive the printer; and pronterface - a printer interface,
>>>> also written in python.
>>>>
>>>> Though, the only hacking I've done to any of these things is change a
>>>> maximum value for a tkinter widget in SFACT so that I could cheat on
>>>> my printer calibration.
>>>>
>>>> Another, somewhat related bit, is I did write a 3d model slicing
>>>> program back in college.  It is a hideous combination of all sorts of
>>>> hacks and tape, and probably a great example of what not to do except
>>>> that it actually works quite well for what it is.  And I wrote it in
>>>> an afternoon.  I've been thinking of revisiting some of the (only)
>>>> good ideas in that approach and possibly writing my own g-code
>>>> generator.  If I were to discuss that, this would be primarily a talk
>>>> on using python and glsl in tandem to use the GPU to do awesome stuff
>>>> without really having to deal directly with the mathematics involved.
>>>>
>>>> There is also a lot of interesting community related stuff going on
>>>> surrounding this newfangled 3d printing and open hardware thing.
>>>>
>>>>
>>>> So yeah, discuss.  What sort of stuff would you be interested in
>>>> hearing from me on this, if anything at all?
>>>
>>>
>>> Oh hell, I am not going to be here for the Jan meeting.
>>>
>>>
>>> --
>>> Carl K
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-- 
Carl K