Picture of DIY Light Ribbon Painter
I enjoy light painting, however I have no skills at all with electronics.  Plus I like to travel light when I go out.  This setup easily fits in my camera bag and weighs practically nothing.  
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Step 1: Required Parts

Picture of Required Parts
1.  PVC Pipe
            I chose a 12" Long Extension tube. The bottom fitting just happen to perfectly fit my flashlight.
2.  Flashlight
3.  Dremel Cutting Kit
4.  Dremel (I don't own a Dremel so I just attached the blade to my drill)
5.  Colored Gels
             I used transparent folders at $.50 each. 
6.  Velcro
7.  Aluminum Foil
8.  Glue

Step 2: Cutting the trench

Picture of Cutting the trench
Using the Dremel blade cut a trench into the PVC Pipe. 

Remove and discard the unneeded plastic.

Coat the inside of the pipe in glue

Line the inside of the pipe in the Aluminum foil.  I blocked the top end of the pipe to stop light spilling through. 

Step 3:

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Cut your colored gels the fit around the PVC pipe. 

Use the Velcro to secure the colored Gels. 

Step 4: Paint with light

Picture of Paint with light
Insert the Flashlight into the bottom and begin your light painting.  As, noted my flashlight fits perfectly in the pipe.  If you are not a lucky, I recommend using gaffer or duct tape to keep your flashlight secure and stop light from spilling out the bottom.  

You'll need a dark room.  The Light Painter provides a ribbon appearance with bright a dim spots depending on how the light reflects off the foil. 
fustercluck11 months ago

Great job, Bud!... You've certainly given me something to think about.

That's really cool!