Below are copies of a couple of emails that were sent to volunteers that might be of some help in creating better documentation of what you all have accomplished. Eteban Alvarez did a bunch of PRO/E models of all of the pieces used, and uploaded them to a file sharing site (http://www.megaupload.com/?d=Y4SC94FM
), but unfortunately the link is dead. Remaining tasks are to get the files available to download somewhere, possibly converting the files from PRO/E to one of the LEGO CAD formats and creating an assembly and instructions for assembling the model using the CAD.
Again, the goal here would be to create an OPP-branded LEGO kit that volunteers could order, build and improve on.
Thanks again for all of your work,
I'd like to introduce you to all of the folks who have expressed
interest in the Lego hand over the last couple of years. While there
have been multiple efforts to duplicate work that has been done, very
little has been done in the way of documentation, so my inbox remains
the only real (and very inefficient) means of coordinating all of your
Please see the emails below for reference. To quote the wiki
), "Our ultimate goal is
to have the kit available through the user-designed kits section at
the LEGO Factory site (http://factory.lego.com/
), or even one of the
commercial kits. We'd love to have someone helping John figure out how
to power the hand."
Thanks for all of your interest in the hand.
On Fri, Jun 19, 2009 at 4:33 PM, Jonathan Kuniholm wrote:
> Jim -
> I'm still struggling with the immense gap between interest in the Lego hand
> and interest in documenting it and helping the project move forward.
> I'll do what I've done in the past, and paste below one of the responses
> that I've sent to similar requests before, and copy as many of you as I can,
> in hopes that someone will pick up the torch and document this in such a way
> that I don't have to keep sending out this email.
> We still have no digital model, and would love for you to create one.
> "Thanks again for your interest in the project. I still don't have any
> more information for you. Please don't be afraid to use the wiki
- I made a new project
> page to make it easier for you) and the ning social net
), and please document whatever you
> do so that we don't have to go through this with the next group of
> folks who are interested in what you have done. I suppose that that's
> a good engineering lesson: just dong it is only part of the battle.
> Communicating it to everyone is a necessary evil (at least it's evil
> the way most engineers write).
> Of course, if it is hard to figure out what the parts are, maybe it
> would be best to try to pick some more common ones. As an engineering
> student, I would imagine that you're looking for a greater challenge
> than reproducing John's work. Actuating it with motors would be great,
> and designing some code that could control it with the NXT processor
> would be another great addition. Then we could run it with the Myopen
> board when we get the NXT interface working.
> Again, just putting together a LEGO CAD model and instructions,
> building a kit parts list, etc, for the existing design would still be
> great progress (and would lay the groundwork for more). There are a
> couple of sites where you can spec a kit and have it offered for sale.
> I appreciate the hard work."
> Please feel free to talk amongst yourselves and more than free to create the
> documentation that you wish had existed in getting started.
> On Mon, May 25, 2009 at 3:21 PM, wrote:
>> Name: Jim McAllister
>> Message: Hi, I am interested in working from your model for the LEGO
>> articulated hand prosthesis. I was wondering if you have an assembly design
>> up. If you do and it is in digital file form I would like to request a copy
>> if possible.
>> Thank you for any assistance you may choose to provide.
>> Jim McAllister
---------- Forwarded message ----------
From: MaryAnne Haslow-Hall
Date: Fri, Feb 27, 2009 at 1:07 AM
Subject: Re: Open Prosthetics Questions
Thank you so much for all this information. I will review it all with my professor and let you know what we are capable of doing to help the project.
Jon Kuniholm wrote:
> Marianne -
> The Open Prosthetics Project is designed as a decentralized collection
> of volunteers interested in working on projects who can connect with
> each other using the various web-based tools that we have made
> available. These were created as an antidote to the initial reality that
> much interest and interaction about the project seemed to take place
> through my email in box, which tends not to be a very efficient way for
> things to happen.
> In any case, please let me connect you with everyone who has expressed
> interest in this so far: John Bergman, who created the hand and the
> instructions for putting it together, Daniel Young and the Dean of his
> engineering program at Cal Baptist, Professor Donaldson. John is busy
> with his growing family, and hasn't done much work recently on the hand,
> and we'd love for someone to pick up the torch. Daniel has expressed
> some interest, and may have gotten John to send him the latest version
> of the hand.
> Things that I'd love to see happen: better documentation of the current
> design so that it can be reproduced, someone to organize and coordinate
> all of the effort on the hand, and some sort of lego NXT actuation of
> the hand using tendons or other methods. The difficulties in documenting
> the design are in part due to the vast numbers of weird parts available,
> and the fact that not all of these parts are available in the various
> lego CAD tools. I'd like to see a lego kit designed for OPP that someone
> could buy, with full CAD-based instructions, but that's a lot of work.
> It is possible to use the CAD tools to model the parts that aren't included.
> In case you haven't found it yet, there are pages on the lego hand here:
> If you read down, John has prepared documentation of the hand for which
> there is a link.
> The wiki page here:
> has an entry for the lego hand, but there is no wiki page. Better
> documentation of the hand could be added there, or here, on the
> instructables page:
> I added the PDF that John did there, but Instructables deleted it
> because it did not conform to their design.
> My suggestion would be for those of you with energy to get started on
> the wiki page and the documentation, and to blog about it using the ning
> social net here:
> Thanks again for all of your interest and efforts on the project, and
> I'm very much looking forward to seeing what you can come up with.
> Chuck Messer wrote:
>> By MaryAnne - Thanks for your interest. Jon Kuniholm (CC'd) is the
>> lead on this project and can answer your questions. Good luck with
>> your research.
>> On Feb 26, 2009, at 12:15 PM, MaryAnne Haslow-Hall
>> br /> >>
>>> Dear Chuck Messer,
>>> My name is MaryAnne Haslow-Hall. I am an engineering student at Sweet
>>> Briar College. My advising research professor, Dr. Pierce, and I were
>>> looking into doing prosthetics research this summer. Our interest is
>>> in prosthetic hands and we are interested Open Prosthetics. I have
>>> read through some of the open projects on the site and have a lot of
>>> interest in the Articulated LEGO Hand. We would like to be involved
>>> in this project. Is there a specific group or person we could contact
>>> for more details about it? We would also like more information on how
>>> to get involved. Thank you for your time. **
>>> MaryAnne Haslow-Hall