Instructables

Low-tech articulated desk lamp

Picture of low-tech articulated desk lamp
If you have three small-ish chunks of wood, some rubber bands, paper, and a light bulb, then you can make your own articulated desk lamp!

Articulated desk lamps are somewhat complex mechanical objects that require an industrial context to produce, given the usual components of factory made metal parts, springs, screws, and cast plastic elements. I wanted to design a version of a desk lamp that could be produced in completely non-industrial contexts, with only naturally available materials and resources--excluding the light bulb and wiring itself, sadly.
 
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Step 1: Making the parts

Picture of making the parts
 You'll need:

a small amount of wood: a 2 x 4 will be more than enough. I used less than half a square foot of 3/4 inch thick plywood. Cut and notch it as pictured, and you've got your basics done!

a couple rubber bands. The nice part about all this is that you can adjust the tension of your lamp by just adding another rubber band. You can also easily replace them--unlike the springs and pieces in your usual desk lamp

a light bulb and electrical socket

a sheet of printer paper

Cut the wood pieces--on a bandsaw if you're lazy, and by hand if you're really hardcore about it. Wood piece 4 is a small piece that slots into wood piece 3 after everything's done to constrain the range of motion of the lamp



Step 2: Assemble it!

Picture of assemble it!
 wood piece 3 is the base

piece 1 slots into piece 3
piece 2 slots into piece 1
the light bulb fits into piece 2.

Strap the rubber bands into the notches like in the picture

glue the lampshade to the end of piece 2


Step 3: Enjoy!

Picture of enjoy!
 have fun with your new desk lamp!