Step 4: Marking and drilling

So now that the aluminum is bent, it's time to drill some holes for the switch and the strain relief zip ties.  The strain relief ties are important, because they will prevent the cord from pulling away from the device over time.

First, you'll need to use a center punch to mark the center between bends one and two.
Next, use a center punch to mark four holes for the strain relief zip ties to go through.  I used graph paper to center and square the holes. (It wasn't that accurate, but it did the job.  You may want to spend more time laying out these points.)

Time to drill!
First drill the 15/64" hole for the switch between the 1st and 2nd bends.
Then drill the four 1/8" holes for the zip ties.
When you are done it should look something like the last picture in this step.

I completed mine today. It went great. I found all the parts at Lowes and Radioshack. Bending the aluminum was easy. It works beautifully. I have it hooked up to a lamp in my room. Thank you for a great instructable!
<p>I realize this is a way old post and I'm REALLY late to the party but I have to say, I actually did laugh out loud on your comment about the two zip ties that didn't make it into the picture. You have a delightfully twisted sense of humor. :) <br><br>Your idea is very clever, too!! </p>
<p>I thought of doing something like this the other day, but it involved putting an outlet inside the book permanently, this is much more elegant! Nice work</p>
Thanks for this awesome instructable! I'd like to convert an existing wall switch to the book switch. Can I just wire it right into the wires in the wall, or is that dangerous for some reason?
I am pretty sure this would be classified as temporary wiring. <br>I am going to say that it would be a bad idea to use this setup to wire straight into the wall. <br>You might be better off trying one of the commercial remote control switch options and then rigging it to a book. <br>Good Luck!
whats with the improbable constuct on the wood
Very cool. Definitly a gift to remember
very cool, very well done and nicely illustrated.<br>now, wouldn't it be a lot easier to just use a rope pull switch (if that's the correct name)? you'd pull the switch by pulling the book like you would normally..
very cool. I may have to do it. I would like to see an ible on the little bending brake too!
heathbar64,<br><br>Thanks! The bend break wasn't too hard to make. I'll see if I can put together an Instructable on it soon.
I'll appreciate make one mini bend brake too. Thanks a lot. Regards.
The Mini Press Break Instructable is up! Check it out here:<br>http://www.instructables.com/id/Homemade-Mini-Press-Brake/
Hi, where's the instructable for the bend break? I can't find it... thanks.
I haven't published the instructable yet. I am still editing it. I hope to get it up in the next day or two.
Very cool!<br><br>When I finished my basement a few years ago, I included a book-power hidden door connected to an electric linear motor that I picked up while working for a hospital bed maker. Was not nearly as clean or neat as your design though! <br><br>Someday I'd like to have a book (or other object) that includes a wireless tilt-switch for the control. You all also got me thinking about connecting an MP3 player so that when the door open, it either creaks or plays the Scooby Doo theme or some such. Ah, if only I had the time...
A Harry Potter lover! Have been frustrated with what to get a book lover except another book. This is so much better. Perfect gift and just in time for my daughter's birthday, another HP lover! Only took a couple of hours and the look on her face when she tipped the book holding the trigger..... Many Thanks.
Clever! What i like about this is how easily your rig could be adapted for just about anything! Drawers, doors, chars, anything can be a switch with this! Kudos to you!<br>
Absolutely! The trick is finding something movable that isn't often moved. I'd love to see what you come up with!
how about my wife
i may do this some time this week! if i do, ill post pics.
Well done ic. Been thinking about making one of these for awhile, but never made it to top of my list... Now when it does, I'll just flitch your design. ;-)
I love it! Very awesome!
I LOVE this! Reminds me of the bust in Bruce's office with the switch for the &quot;Secret Passage&quot; to the Bat Cave. LOL! Top Notch Instructable!
Shouldn't microswitches be better for this application ?
Thereyouhaveit,<br><br>I looked at a lot of switches. The problem with micro-switches is that all the ones I could find were momentary. For this to work the way I wanted it to I needed a latching on/off switch.
Can I asked why you used the lamp dimmer instead of buying a pigtail?
klubely,<br><br>I used the lamp dimmer for its pass through wall plug. I was trying to keep my project as clean and simple as possible. A pigtail would not have had the same function.
:o Now you just need to make the switch open a hidden door, and play the Scooby Doo theme song whenever it activates.
so do i understand you have to hold on to th ebook as long as you want the lamp on or am i missing something?
It doesn't work with ebooks, I don't think...
:-) Then again, if you print the ebook and put a hardcover around it...
diy_bloke,<br>You don't have to hold the book to keep the light on. The switch is an on/off latching switch. To turn the light on, you would tilt the book slightly towards you and then release it back to the resting position on the shelf. To turn it off again, you would do the same thing.
That explains. Thank you
Oh what I would give to use this for a secret passageway! Unfortunately I have no passageways to make secret.
The clear answer is to build one. Got a room you'd be OK with making narrower?
I guess I should have been clearer, in that I don't have a house of my own where I could make something secret. Rest assured though, that when I do own my own home some part of it is going to get secreted...ew, I mean made secret.
Renters can have secret passageways too! It just requires much more care to not damage existing structure, with provision for removal when you go. Perhaps you could get creative with the locations of bookcases...
Awesome!!! I did it wth my door so that when open it, lights are on.when i leave the room the lights turn off.
cool the first one that i have seen that dosent look like a ugly switch or a hard to find remote
i wonder how you could add that to a motor to make a hidden passage <br>
It wouldn't be too hard. It would just require using limit switches and relays. We use them in theater all the time to automate curtains and scenery. Unfortunately, every set-up is unique, so I couldn't post a general explanation. If you try it, I'd love to see what you create.
When you release the book the light will turn off... Not very usefull. :(<br>Otherwise the concept and making is excellent!
MrPotatoHead, <br><br>Actually the switch is an on/off latching switch, not a momentary switch. So, when you release the book the light turns on and stays on until you tilt and release it again. My wife uses hers to turn her desk lamp on and off every day.<br><br>Thanks for checking this out! This is my first Instructable, so I really appreciate the comment.
Excellent use of Heat Shrink Tubing... I love that stuff.
I like it, very nice.<br> <br> L

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Bio: My Name is Brandon Fischer. I am a Theatrical Rigger and Carpenter. I like to build, make, and void warranties. Please visit my Etsy shop ... More »
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