So I sat on my glasses a couple weeks ago, and although they didn't break then (even after bending/reshaping them), five days ago, amidst putting them on, they fell, and one of the arms broke off, right at the hinge.  Other than buying a replacement arm for I dunno, $20-30 maybe, but that's if I could read the worn-off label (and my glasses are a few years old and probably no longer made), our hero decided once again to 'go nerd or go home '. (well, this is technically my first instructable, but let's not get technical...)

And it took about 15 minutes.  Well, say 45 minutes, taking pictures and getting superglue everywhere. I'm actually typing this one-handed whilst my other hand is stuck to my desk (yeah yeah, withhold your dirty jokes).

Anyway, parts needed:

1. Super glue (or super gel, 5 minute epoxy, etc)
2. Pocket knife
3. Sandpaper, 150 grit or so
4. wire cutters
5. needle nose pliers
6. shrink tubing (black) multiple sizes are nice but not necessary
7. Carbon Fiber strip
8. Soldering Iron
9. Busted glasses (though you could beef up your undamaged glasses, for that uber nerdy look)

The carbon fiber can be purchased at any RC Plane hobby store.  Just ask for carbon fiber spar material.  The stuff I used was about $7.00 for a 24" strip, and it's about 1/8" wide, and maybe 1/16" thick. Sorry, I misplaced my calipers.  And no, I didn't go buy this, I had it on-hand because I have an RC plane hobby (YouTube 'intrepid1' for my in-flight videos...)

I picked up the shrink tubing in a whole kit of sizes from Harbor Tools for like $10 a few years back.  Handy for RC planes. and fixing glasses apparently.

Optional: Accelerator (Loctite 712) that I use. (helps superglue set faster)

NOTE: This instructable will not allow your glasses to fold up.  This is simply a (hopefully) long-term solution to repairing your glasses!

Step 1: Preparation of the glasses and supplies

The first thing I did was take the sand paper and rough up my glasses frame where I thought I would be applying the superglue.  Nothing fancy, just taking off a bit of the finish.  This help the super glue bond to the frame and the carbon fiber 'splint'.

I also took the time to clean off the solder and melted plastic from my soldering iron before I got it hot.  You aren't supposed to use a soldering iron for shrink tubing, but everyone does.  I wanted the shrink tubing to actually be black when I was done shrinking it, and not have random melted bits of lead (gasp!) solder stuck to it, so there ya go.

Next I cut a piece of carbon fiber to the size that I thought would work.  Not too small, you want to have as much surface area as possible for the superglue to adhere to. I used just over an inch long. 

I also cut a piece of the shrink tubing, a little bit longer (1.25") to cover said carbon fiber.  Now we are ready to put things together.
Cool. My solution years ago to never deal with loose and lost screws was to feed uninsulated steel cable that fit tightly through the hinges, cut both sides' cable to the same length, then nicely wrap the excess around the arms. Never broke, always high friction.
Liked your humor and the part I will take away is where to get the carbon fiber<br>strips. Thank you. Good job.
A clever fix. Thank you for posting. It is too bad you no longer have the hinge so you can fold your glasses up, but you restored their normal function.

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