Einstein Bust With Secret Switch

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About: Hi, I love electronics, 3d printing and sharing what i make. I mostly try making useful things, but sometimes I also make some just for fun and for learning something new. And if you like what you see, foll...

Here I will show you how to made this 3D-printed Einstein Bust, with a secret switch, that you can use to, for instance unveil you batcave, or to turn on the light in your office, or just as a fun decoration.

KEEP IN MIND: Firstly, this bust was designed to fit on my small 3D-printer, so it is quite small compared to a life-size bust. Secondly, you will of course have to hook it up to the thing you want to control.

You will need:

- A 16mm Metal Pushbutton with Red LED Ring(or just about any 16mm switch/buttom)

- Solid or Stranded Wire (doesn't matter), minimum 100mm length. (I just used some wire I had salvaged from an old speaker)

- A 3D printer and a spool of any color PLA filament (or you could use a 3D service like Shapeways)

- Four small scrap screws

- Gray spray paint or as i used, a grey spray primer (Optional: you could just stick with the color of the filament)

TOOLS:

A Soldering iron and Solder, a Hot Glue Gun and Hot Glue and a Screwdriver.

Step 1: 3D Printing

I remixed the Einstein Bust by lloyd chidgzey (LSMiniatures) on Thingiverse here. But everything else I designed myself, in Fusion 360.

1. The first step is to 3D-Print the different parts of the bust.
You can get the stl files from the link below or from Thingiverse here.

Parts to be printed: The Einstein Head, the Bottom, the Middle, the Top and the small Lock piece.

NOTICE: The Einstein Head and the Bottom will have to print with support.

As you can see on the picture of the bust finished printing, it took around 8 hours for me just to print the head. So just note that it takes quite a while to print all the pieces, but the result is worth it.

2. Remember to remove the supports from the model, before the next step.

Painting (Optional):
Now this step is completely optional, but I chose to paint mine in this grey color, to give it more depth, and to hide some of the layer lines.

Step 2: Assembly

We have now come to assembling the bust.

Switch/Button
1. First we have to solder wires to the switch's pins. Here I soldered wires to the led (+) and (-) pins, and to the Common (c) and Normally Closed (N/C) pins.

2. Then use hot glue to insulate the connections.

3. Now secure the switch onto the middle hole in the Top, by securing the hex nut the switch comes with, on the back.

Screwing it together
Now we have to screw it together.

1. Start by feeding the wires from the switch, throw the holes in the Middle and Bottom.

2. Now line up the Middle with the holes on the Top, and screw them together. Be sure to hold them tightly together, so the screws can screw correctly and tightly on.

Keep in mind the orientation!

3. Then do the same with the Bottom. Still keeping in mind the orientation, because it is important that the Bottom's "wire-channel" points to the back.

Adding the Head to the bust-base
1. Now take the Einstein head, and lock it onto the Top part, by sliding it onto the little "hinge" mechanism, as shown in the gif animation of the model.

2. And now to secure it, we can hot glue the small Lock piece, into place, on the back of the bust, again as shown in the gif animation of the model.

Now you should be able to tilt the head up and down.

Step 3: ​Final Notes and the Result

I hope you like this project, and if you do, I would very much appreciated if you voted for me in the 2018 BigandSmall-contest on Instructables, and feel free to follow me on Instagram and Twitter (@Anders644PI) to keep updated with what I make.

The result
That's it! You have now made your very own Einstein Bust, with a secret switch, that you can use to unveil you batcave, or unlock a secret drawer, etc. Now feel free to play around with the idea, and customize it with a bust of shakespeare, or a scan of you own face for instance.

Big and Small Contest

This is an entry in the
Big and Small Contest

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    10 Discussions

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    campbellw

    Question 6 days ago

    could an arduino be added in the base to remove the need for wires protruding from the base? maybe it could be used with smart home tech?

    1 more answer
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    Anders644PIcampbellw

    Answer 6 days ago

    Maybe, but it's hard, because there is not much space in the base. So it would probably be easier to put the Arduino outside of the bust. But feel free to try.

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    snowf7

    12 days ago

    This would be nice in a home theater, using the button to reveal a hidden screen, dim the lights or cue the film. It would be cute to have one of Brahms in a nursery to start playing a lullaby. A Disney character that plays a melody from a favourite story. There are so many ways that this could be used. If not for a Batcave, maybe just a secret entrance to a Mancave.

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    jimdkc

    14 days ago

    Would be cool to hide some kind of battery-powered remote control in the base...

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    perrin_bonnet

    15 days ago

    Pour faire quoi au juste avec ?

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    bmiller91

    15 days ago on Step 3

    To the Bat Cave! Dammit now I have donnnanunnna Batman! stuck in my head.

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    randofo

    16 days ago

    Very cool. What are you using this for?

    1 reply
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    Anders644PIrandofo

    Reply 16 days ago

    I'm not sure yet, I'm still looking for something cool to hook it up to, since I strangely does not have a batcave. But right now I just have it as kind of a display piece, to convince myself that someday, someone who looks up to me, might just make a bust of me, to have in their room.

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    Kink Jarfold

    17 days ago on Step 3

    I've always been a fan of secret buttons. Nice work. --Kink--

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