I made a mini version of this as a test to see if the design that I reversed engineered worked(Look here for the full story: http://www.instructables.com/id/Diamond-Puzzle-Sketchbook/) and it did, but for the mini version I used cardboard for the bottom and that caused it to be hard to move the segments all at once, I fixed this problem by having the top and bottom made of card stock. I am able to move it very smoothly, I might make a video in the future, or if someone asks.
And to explain for how it works go to the last image, that explains most of it. I dont know if the creator's book's design is like that but it works for me, and it is a very cool notebook design.
Unfortuantly I wont be able to make a step by step instructable for this exact one because I only took pictures of the first half and I was too busy making the rest that I forgot about taking pictures. I am going to make another one out of wood, and you could use that same instructable for a paper one, you would just have to modify the hinge a little bit.




































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(Just PM'ed you this)
i searched for hours
There is no how to because I reverse engineered it from an image I found online.
?
I might be able to get a video of it, but I am making a wooden version of this that one will have a video.
And if you look at the diagram that shows how it works, the top piece has the lock so when the pin is in it it can be locked and unlocked.
The triangles are made of 3 layers of card stock.
And cardboard and card stock are 2 different things. Cardboard is what I am referring to corrugated cardboard. it is way thicker and not as strong at some points. Cardstock is an evenly thick paper that isn't corrugated.
And, yes, it is blue tape because that is what I had at hand and so far it works great. and like I said, this is a prototype.
When I said cardstock for the parts, what I have is a very thick cardstock that I dont know if you can find it at a store or online, but many pieces of regular cardstock put together can be a substitute for what I have.
I do have the files on thingiverse, but they arent printable on a regular printer, it is a bit too big.
P.S. Congratulations on making the MAKE Blog! I stopped looking at the photo-only I'bles a while back (there was way too much spam and unnecessary single-pic uploads), so I wouldn't have seen this otherwise.
And also, I was in the newsletter, I thought only featured instructablea got in it, and there is no featured tag on this instructable?
Your illu on the locking mechanism is clear enough for me. btw.
Thanks!
Y.
Any help?
Oh, and I am making a wooden one, those files will work but I am improoving it to work better with wood