Step 12: Assembly

Now for the exciting part.
It can be tricky to assemble the pieces, because if you get it wrong, it might not be able to turn around. I had to be especially careful since my pin is made of silver. If something gets stuck, it might very easily bend the pin and the whole thing is ruined.

The 4 middle pieces, 1.2 1.3 2.2 and 2.3 are going to sandwich the pin, so those have to be glued. I decided to glue piece 1.4 to 1.3 also, to avoid the possibility of viewing the wrong photo. The pieces 1.1, 2.1 and 2.4 may absolutely not be glued to anything! They are the parts that are going to swivel to reveal the pictures. Also remember to put the pin in! That would really suck to forget :)
Before gluing them together, I treated the wood with mineral spirits and linseed oil with a swab, but only on the sides that are not going to be glued later! This is just a first-treatment, because some areas might be difficult to reach later, and you have to be careful treating it when the pictures are in. I used a 1:1 mixture approximately, the linseed oil makes it look neat, and the mineral spirits allows it to be absorbed better in the wood. You are going to finish the locket with sandpaper later, so this is not a final treatment.
When gluing it, I used a swab to spread a thin layer of waterbased woodglue on the sides that were going to be glued. Apply glue to both sides, but keep in mind that it will flow a little when pressed together, so make it a nice thin layer. I put the axle in to match alignment, but took it out when the layers were set away to cure. When the pin is in and the sides glued, check that it can spin as you want it to, and that it is aligned properly, before setting it away under pressure for at least a few hours.

When the 5 slides that are glued together are done, it is time to insert the axle and the sleeves. This was a tricky part as well, because you don't want to glue it all together so it cant open. My way to do this was to spread a layer of superglue inside a sleeve, and gluing it on one end of the axle. When completely dry, i inserted it in the 4 layers. Then i put a drop of glue in the other side of the stack, where the axle is sticking out, and put the sleeve in place. This fixes the whole thing in one side, but it is still able to turn, because the other sleeve is only fixed to the axle. It's tricky, so be careful. 
<p>please upload some more images of geometry construction.....</p>
<p>how many slides to be drilled for axial? And how much centimeters thick?</p>
<p>hello? flecks.... hopefully you get this comment and you please respond... im a 14 year old guy who is in wood shop working on your project (i showed it to my teacher) i alredy printed out all your steps and my teacher is on my ass now that i better finish it.... but i cant print out your blue-prints.... i tryed everything but none of my computers (incluiding the school distric) dont have your software..... hope fully you can message me ---&gt; <a href="mailto:linares.jose25@yahoo.com" rel="nofollow">linares.jose25@yahoo.com</a> and send me a word ducument of these blue prints....i really need them asp. </p>
<p>Hello to you too. </p><p>The drawings i have uploaded is simple .pdf files, i cannot convert those to a word document. You can open and print them from any pdf reader, for example adobe reader. Please do post a picture, when you finish the project!</p>
I see! Thank you, I am trying to find one to buy for my gf after not being able to make one that i was happy with. What do you think of this one? https://www.etsy.com/listing/157512555/illusionist-heart-locket-made-from-maple
It looks nice, more like the one in the movie. However i don't like the idea of cutting the picture in half, seperating the two persons. <br> <br>But i guess i just as well might have...
Hi, I really like your design I just don't understand one thing. How does the other side of the lid stay connected? The magnets can't be so strong to were it won't &quot;break&quot; off if you pull on it. Thank you in advanced, your a genius <br>
I'm not sure exactly which lid you are talking about.? The two lower lids are held ind place by magnets and the axle, and the front upper lid only by magnets, but so well that you can shake it around without it falling off. The back upper lid is glued in place. <br>Thanks for the kind words :)
I would love to get the files to 3d print this. The only change a would like would be a disk (not a ring) for the picture(s) to be attached to.
Nice work. This is a tricky project to get right. <br>I 3D printed mine and cast it in pewter. <br>I always wanted to get it lasercut from wood and layer it up. <br>This has inspired me to try that again, but to fit my design I need to find some 0.8mm wood.
0.8mm..? That's... Veneer? I am very interested in that design, can you reveal more? <br> <br>Did you 3D print in plastic or wax? Because i have considered printing mine, but i am not sure which material to print it in..
I had it printed in plastic (shapeways wsf), then I made a mould using heat resistant silicone, and cast it lead free pewter. <br>Wax is the standard material to use for investment casting. But that only gives one shot and destroys the wax piece in the process. I've never cast metal before so wanted it in plastic, that way I could clean it up and try multiple things with it. the model is on thingiverse if you want to take a look. <br>http://www.thingiverse.com/thing:28755
Very nice indeed. How did you manage to cast the holes? Aren't those quite difficult to get an impression of, even with the silicone? <br> <br>And are there any function that prevents the picture from tearing?
Wow, featured and frontpage same day as i published, thank you whoever is in charge of this! :)

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Bio: A 23 year old engineering student and amateur jeweler. I spend a lot of time shooting on the national team, and making stuff in my ... More »
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