Subject:
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Re: TTT board marks or not
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Tue, 15 Aug 2006 18:25:23 GMT
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Viewed:
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996 times
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In lugnet.org.ca.rtltoronto, Calum Tsang wrote:
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In lugnet.org.ca.rtltoronto, Rob Antonishen wrote:
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Why not print a board that is guaranteed to fit in every printer
and then fold (or cut) to that outline?
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That is pretty much the same idea as registration marks, but better.
The “board” could just be a simple 2x frame that could sit on, or have
a folded paper board laying inside.
Something like this:
http://www.brickshelf.com/gallery/ffaat/RTL22/frame.gif
It would also give the bots a positive alignment/connection.
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That was my first inclination, to build some sort of registration frame or
holes to attach the paper to the robots.
That would make sense, but the concern was not to make it too complicated.
Calum
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Here are two options a board with 4x4 lego spacing, with a grid and frame shown:
and the PDF of just the board and corner registration marks:
http://www.brickshelf.com/gallery/ffaat/RTL22/tttboard_proto_small.pdf
and a board with 6x6 spacing, with grid and frame shown for clarification:
and the clean PDF:
http://www.brickshelf.com/gallery/ffaat/RTL22/tttboard_proto_large.pdf
I drew these in metric using an 8 mm pitch. should print fine on any printer at
100%
I didn’t bother with a board having 5x5 spaces, as the frame I proposed for bot
vs bot games (earlier) is 22x22 LU inside:
Alternately, a person could just test and build with only one side of the frame
and the alignment marks:
-Rob A>
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Message has 3 Replies:
 | | Re: TTT board marks or not
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| What about a piece of masonite backed whiteboard that can be purchased at Home Depot, with tape on it and then use whiteboard pens and an eraser? The board would have to be cut to size, and might be way more complicated that you'd like. The nice (...) (18 years ago, 15-Aug-06, to lugnet.org.ca.rtltoronto)
| | | Re: TTT board marks or not
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| I like the 6x6 size. I think the frame is unnecessary. I only need to be aligned with the board, my alignment with the other bot is irrelevant. I can use the alignment marks anyway I see fit. Derek (18 years ago, 15-Aug-06, to lugnet.org.ca.rtltoronto)
| | | Re: TTT board marks or not
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| Not able to leave well enough alone... here is a centered 5x5 space board, with the alignment parks making a 21x21 square: (URL) and the clean PDF with alignment marks: (URL) This would align the centers of each square with a stud. -Rob A> (18 years ago, 15-Aug-06, to lugnet.org.ca.rtltoronto, FTX)
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Message is in Reply To:
| | Re: TTT board marks or not
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| (...) That was my first inclination, to build some sort of registration frame or holes to attach the paper to the robots. That would make sense, but the concern was not to make it too complicated. Calum (18 years ago, 15-Aug-06, to lugnet.org.ca.rtltoronto)
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