One last followup
source link: https://0pointer.net/blog/iq-light-final.html
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A small, final followup on the blog stories about the mexican style IQ Light:
After some unsuccessful experimenting with materials like Polystyrene (cracks too easily), I settled on 0.3mm white Polypropylene which is both easy to work with and easy to find. The light becomes a little bit blue-greyish cold. I bought Ibico PolyOpaque report covers for this purpose, which you can get at German Staples stores. You can get it in 25, 50 or 100 DIN-A4 packs. Because only two full-size pieces can be cut from a single A4 sheet and you need 30 pieces you need at least 15 sheets for a single full-size lamp. I built 10 lamps in various sizes from this material and it seems to work pretty well.
Have fun!
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