This is my Instructable on how to make "The Poor Man's Adjustable Bed Device"  for a twin size bed. (Updated, see last step)

(Comments Appreciated!) :D

Materials you'll need:

1. Two plywood boards aprox. (35" x 31" x 0.5")
2. One plywood board  aprox. (34" x 16.75" x 0.25")
3. Four strips of plywood aprox (34" x 1.5" x 0.25")
4. Thirty-six 0.45" finishing nails
5. Four hinges (with screws)
6. Six 0.5" screws with bolts
7. Six small plastic washers
8. White glue or wood glue
9. Two sheets of sandpaper (one medium one fine)
10. Paint, stain, transparent lacquer or varnish

Tools I used:

1. Jigsaw
2. Drill
3. Rotary Tool
4. Sander
5. Drill bits
6. Tape measure
7. Hammer
8. Screw driver

Step 1: Sanding

Using a sander, sand all the panels with the medium sandpaper then with the fine sandpaper.

Be sure to round off all the edges and corners. Since this will be used on a bed, you don't want any sharp edges or corners.

Note: The more time you spend on this step, the nicer the end-product will be. :)
Very nice,job and a public service as well,there are many elderly folks,and the sick needing hospital type beds,and this looks to be a very good substitute.I have Psoriatic Arthritis (Mutilans) and though I get around pretty well most of the time,the arthritis in my back keeps me awake often,Im going to make one for myself,it looks like just the ticket,thanks.
Thank you very much for your comments. I'm so glad that you found this useful and hope yours turns out great! Please post a picture of your project if you can. :)
Awesome! Really cool, when function, beauty and spirit meet in one project!
Thank you for the great comment! :D <br> <br>I&acute;m glad you liked it! :)
It's really strange, i was just thinging about buying a foam wedge. With This GREAT instructable. I don't have to. I have all the material on to make this. <br>GREAT instructable. <br>Thank you
Awesome! I'm glad you found it useful and hope it turns out great! :) <br> <br>Post a picture of your's if you can. :D
<p>So simple! Well done!</p><p> I'm feeling silly. Some years (decades?) ago, I spent a lot of energy trying to figure out how to make a DIY mechanism or jig to elevate the head of a bed. My ideas were a lot more complex than this. Including using a hydraulic jack as the lifting device. If faced with this again, I'm grateful for a simpler design.</p><p>For the person wondering about extending the design to a queen sized bed, may I suggest making each side of the bed raise separately rather than one wide platform? Just a thought. </p><p>[ If two people are using the bed, then they may need to sleep at different elevations. Seems to me, having watched elderly family members who have gone through this, one of a couple having to move to a hospital type bed would be a wrench for long-time partners. It might be a comfort to be able to stay in the same bed, even if needing two different elevations. There might be an advantage also to a flat surface alongside a single occupant. ( Of course, splitting the bed down the length does mean using two sets of linens and two top mattress layers. ) ]</p>
Thank you for your nice comments! I'm glad you liked the design and I hope it comes on handy someday. :)<br><br>I needed a quick solution for my father and this idea came to me and fortunately, it worked out really well.
I think that this is great. I would like to make one for a queen size. Do you think beside changing measurements all I would have to do is add more hinges?
<p>I would suggest using a &quot;Piano&quot; (Continuous) hinge in a case like this for extra stability and strength.</p><p>Just cut t0 length or most hardware stores can cut when you buy or use a couple of shorter lengths.</p><p><a href="https://www.google.com/search?q=piano+hinge&oq=piano+hinge&aqs=chrome..69i57j0l5.4461j0j8&sourceid=chrome&es_sm=122&ie=UTF-8" rel="nofollow">https://www.google.com/search?q=piano+hinge&amp;oq=pia...</a></p>
Yes, I think adjusting the measurements and adding more hinges would be fine. It might require two people to operate, but other than that, I don't see why it wouldn't work. <br> <br>Good luck and post a picture if you can! :)
excellent one
Thanks... :)
A comment: Make sure the bed bends at the person's butt and NOT in the middle of their back. Yours looks great to me. Most people don't make enough allowance for the width of pillows and the person ends up sliding down a bit to accommodate them, ending up with a sore neck or back and restricted breathing. Great job!
Thanks for the comment! <br> <br>You made some very good points... If anything, I may have made it a little too long but this can be adjusted by pulling the whole bed away from the wall.
That's a smart design. Good job!
Thanks Dr. P, <br> <br>I appreciate the comment! :D
Great! Seems like it needs one additional safety feature. Something to lock the thing in place so it doesn't come crashing down when someone is getting in or out of bed. Quickclamps maybe? <br> <br>Now you need to get insurance to pay for it, and tell them it only costs $800. They'll think it's a great deal. <br> <br>Anyway, great job, thanks for sharing.
Looking back, I thought of one safety solution. A strap from the top board to the base board that could tighten down. That way it would be impossible for the top board to accidentally raise up and release the locking board. I know that gravity would usually take care of all that, but I'm always surprised at the ways we find to hurt ourselves.
With the weight of the wood and the additional weight of the mattress, it seems unlikely that it could accidentally rise up. But, it's not a bad idea to add a little additional security. :) Thanks for the comments and suggestions!
I like the stepped slats you added. Thanks for the post.
Thank you for your comment... :) <br>The stepped slats make adjusting very simple and fast. When I started this project I had no idea of how I was going to make the &quot;stops&quot;... Among other things, I was considering making canals, but this solution was much easier and faster.

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