
BOB KNETZGER is a designer/inventor/musician whose award-winning toys have
been featured on The Tonight Show, Nightline, and Good Morning America. He is the author
of Make: Fun!, available at makershed.com and fine bookstores.
Make a toy-sized light-up message board that
glows in the dark, using ordinary neon dry-
erase markers. Stand it up, hang it on a wall, or
dangle from a doorknob. Easy, fast, fun!
The design is simple: a stack of laser-cut ¼"
acrylic shapes form the base to hold a single LED
and a clear panel (Figure
A
).
1. BUILD THE BASE
Visit the project page at makezine.com/go/
glowboard to download the .svg files for laser
cutting. Or ...