Make: Technology on Your Time Volume 35

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PROJECTS GLASS BEAD PROJECTION SCREEN

TIME: 8 HOURS OVER 3 DAYS COST: $50–$100

GLASS BEAD

Projection Screen

Need a bright surface for your projector? Get high gain at low cost using house paint and sandblasting beads.

Written and photographed by Sean Michael Ragan

Titanium dioxide is the most common white pigment in paint, sunscreen, and even food ...

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