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Old 07-26-2014, 09:29 PM   #11
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Ron, when you are designing this type of cut do you do that w/ a 'vector' drawing program?

That would seem to be an impossibly difficult thing to cut freehand and keep the pieces so symmetrical.

John
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Old 07-27-2014, 03:56 PM   #12
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Ron, when you are designing this type of cut do you do that w/ a 'vector' drawing program?

That would seem to be an impossibly difficult thing to cut freehand and keep the pieces so symmetrical.

John
John,

I have written my own special "vector" drawing program. At its heart is a routine which draws a jigsaw-cut profile between two points (x1,y1) and (x2,y2). The lizard cut is made up of 3 profiles (plus their reflections). If you study one of the pieces you will see that each piece has 6 "sides", 3 of which are reflections of the other 3. The pieces are laid out on a hexagonal grid.

The photos show my latest puzzle with smaller pieces. Actually, the pieces are too small for the quality of the Baltic birch that I used, and you can see a lot of chip-out on the back.

The final attachment is a Word page with the template that I used for this puzzle. As you will see I had to use a little freehand cutting towards the edges, but most of the puzzle is cut through the template.
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File Type: jpg DSC_0048.jpg (50.7 KB, 17 views)
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Old 07-27-2014, 04:29 PM   #13
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John,

Sorry, but my Word file is too large to be uploaded as an attachment to this message board. If you are interested in seeing it, send me a PM with your email address and I will send you an email attachment.
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Old 07-27-2014, 08:07 PM   #14
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John,

I am attaching a .pdf file, which has a larger size limit than a .doc file.

This is a first time for me to upload a .pdf file, so I don't know if it will work for you.
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Old 08-01-2014, 09:00 PM   #15
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Ron & StephenD,
You both inspired me to give this a try. About a year ago I took a photo of a frog that I thought would be a good subject for a lizard tessellation puzzle, so this is what I came up with. It's roughly 5x7, but I used a different approach to the edges and decided to only include the full lizard pieces.

Matt
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Old 08-01-2014, 10:06 PM   #16
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That's it Mat! You rocked it.
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Old 08-03-2014, 08:47 PM   #17
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Ron
Thanks for the update and for the PDF. I am been off-line for a few days and had not got back to this thread. I will still send a PM with my addy for the word version. That puzzle is - incredible!

Thanks again
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Old 08-03-2014, 08:48 PM   #18
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Ron & StephenD,
You both inspired me to give this a try. About a year ago I took a photo of a frog that I thought would be a good subject for a lizard tessellation puzzle, so this is what I came up with. It's roughly 5x7, but I used a different approach to the edges and decided to only include the full lizard pieces.

Matt
Matt
You Rocked on that one! How did you come up w/ the puzzle design? Similar to Ron?

Thanks for posting. That's an incredible piece!!!

John
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Old 08-04-2014, 01:03 PM   #19
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Default lizard cutting board

I was looking on lumberjocks a few days ago and found this cutting board and found this. Thought it was interesting, Check it out here is a link to it.MC Escher lizard cheese board... - by degoose @ LumberJocks.com ~ woodworking community
lizard cutting board.PNG
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Old 08-07-2014, 09:54 AM   #20
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Matt,

Great puzzle! I came across this design while surfing for Escher patterns and passed over it because there is a place where 6 lines come together at a point and I thought this would invite paper-lift problems. You don't appear to have suffered from that so I am encouraged to look again at this design.

This design has the advantage over the one that I used in that it is based on a square grid as apposed to a hexagon grid, which means that it can be strip cut, which simplifies the cutting.
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