Instructables

Step 3: Cover (Milky plastic)

Picture of Cover (Milky plastic)
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The next part was simple... the edge of the case is aluminum and has a little radius in each corner. I measured the case and ordered the piece of plastic. I wanted something thicker so the kids wouldn't cut through it of break it easily by pushing; so I used 1/4" thick Acrylite (lets light through). This piece was almost $20. I tried to talk them down, we brainstormed ideas, I negotiated... nothing. I had to spend the $20.

Used a jig saw to cut the radius's for the corners and the notch for the lid support.

Note: make sure you keep the protective covering on. Ask me how I know this.
 
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pauldaryl5 years ago
RE: 'Milky Plastic' aka: Acrylic,Plexiglas, or Lucite; Acrylic being the generic term. The translucent white comes in two flavours: 1.) 7328 aka: Sign white; what they use for illuminated sign on store fronts. Lets enough light through to illuminate the surface well,very diffused, also masks the light source well. 2.) 2447 Very Translucent; more akin to rice paper. Light source may be more evident. Both can be found at Home Depot or other Hardware Stores. Avoid the light Lens material; it's styrene, and very flimsy. Yes; keeping the masking on while working Acrylic is a good idea; Its pretty durable, but can scratch easily.
Some of the light tables we have in my graphic design labs at college have clear plexiglass or clear glass. It doesn't matter whether it's clear or translucent as long as light can readily pass through your work, enabling your kids to trace their project. Yes, translucent white seems to work best, but it doesn't really matter much.

I have a LightTracer light box from Artograph I purchased from an art store years ago. Still works very well after 8 years.

To the author, nice Instructable.
diana_11_65 years ago
Who did you purchase the Acrylite from, local or online?
bigtreehouse (author)  diana_11_65 years ago