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 Post subject: Re: Let's decide on a group project! [Decided: Prototyper]
PostPosted: Mon Jul 27, 2009 8:19 am 
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Cool, that makes more sense.

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 Post subject: Re: Let's decide on a group project! [Decided: Prototyper]
PostPosted: Mon Jul 27, 2009 9:34 am 
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Great! So... for everyone interested in this project, please visit the wiki and contribute. Thanks!

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 Post subject: Re: Let's decide on a group project! [Decided: Prototyper]
PostPosted: Mon Jul 27, 2009 10:16 am 
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Interesting article on Hack a Day:

http://hackaday.com/2009/07/22/printing-a-reprap/

And the blog it refers to:

http://hydraraptor.blogspot.com/

Lot's of close-up pics of reprap parts.

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 Post subject: Re: Let's decide on a group project! [Decided: Prototyper]
PostPosted: Mon Jul 27, 2009 10:38 am 
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noise wrote:
Interesting article on Hack a Day:

http://hackaday.com/2009/07/22/printing-a-reprap/

And the blog it refers to:

http://hydraraptor.blogspot.com/

Lot's of close-up pics of reprap parts.

Thanks, Noise. I've added these links to the Information Resources section of the wiki.

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 Post subject: Re: Let's decide on a group project! [Decided: Prototyper]
PostPosted: Mon Jul 27, 2009 6:57 pm 
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I wonder if we could just get Nick to whittle the parts for us.

It would be a pretty sexy reprap with all polished wood parts.

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 Post subject: Re: Let's decide on a group project! [Decided: Prototyper]
PostPosted: Tue Jul 28, 2009 6:04 pm 
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This will dovetail wonderfully with my two ongoing projects. Obviously it has a direct application to my WallBot, but it also works well with my accumulation of HDPE working tools for Bessie II.

Some questions: What are the size parameters? How big is the x/y/z travel? What size of pieces are we looking to produce? Can the base platform support additive and subtractive methods? (Can we mount a router/Dremel as well as an extruder to it?) For the Z does the table or the toolhead move?


Lets get moving!


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 Post subject: Re: Let's decide on a group project! [Decided: Prototyper]
PostPosted: Wed Jul 29, 2009 9:21 am 
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Judeling wrote:
This will dovetail wonderfully with my two ongoing projects. Obviously it has a direct application to my WallBot, but it also works well with my accumulation of HDPE working tools for Bessie II.

Some questions: What are the size parameters? How big is the x/y/z travel? What size of pieces are we looking to produce? Can the base platform support additive and subtractive methods? (Can we mount a router/Dremel as well as an extruder to it?) For the Z does the table or the toolhead move?


Lets get moving!
Thanks Judeling! These are important questions. I've updated the wiki to add some parameters for our project definition.

If anyone has a suggestion for these or other project details, please contribute to the wiki page. Extended discussions on any aspects can remain in this forum thread.

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 Post subject: Re: Let's decide on a group project! [Decided: Prototyper]
PostPosted: Thu Jul 30, 2009 7:23 am 
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I support customizing it, but I wonder if we should build a straight up Darwin as iteration 1.0, then try to customize off that?

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 Post subject: Re: Let's decide on a group project! [Decided: Prototyper]
PostPosted: Thu Jul 30, 2009 7:28 am 
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jwb wrote:
I support customizing it, but I wonder if we should build a straight up Darwin as iteration 1.0, then try to customize off that?


+1

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 Post subject: Re: Let's decide on a group project! [Decided: Prototyper]
PostPosted: Thu Jul 30, 2009 4:18 pm 
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I'm mixed between a Darwin as designed and trying to do something slightly, but not radically, different.

Primarily, I see no reason to adhere dogmatically to their parts list and parts design when any X-Y gantry with a Z adjustable table under it will do what we need. This opens up the possibility of scrounging a lot more parts.

Today I got from a coworker a large-format printer with a 24" print head displacement. It's a REALLY good start- we'd be hard pressed to make as good a stage as that.

I'm also going to suggest that we forgo trying to make this capable of cutting anything more durable than vinyl. Resisting the deflection of the tool tip is hard work, if you're trying to drive a tool through a rigid material.

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