DIMM... dimmable compact fluorescent

by 12meyer, published

DIMM... dimmable compact fluorescent by 12meyer May 5, 2010
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Dimmable compact fluorescent bulbs are expensive, so why not make your own? Designed to show off the full capabilities of any makerbot, this product is in fact impossible to produce any other way! Fully installed it creates a dappled light effect, but backing it off any amount creates a variable light condition based on your preference. Analog hack via digital fabrication!


Simply screw this shade onto many normal CF bulbs to produce an analog dimmer by varying the amount it is attached. The shade was designed from a 14 Watt bulb purchased at Lowes. There should be no overhangs or towers needed as the geometry is based on a 60 degree build angle

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Thanks for the comment. I actually laser scanned a bulb and found that the shape is in fact variable, mostly in the diameters of the twists, whereas the pitch remains more consistent. To accommodate for these discrepancies I employed a 2-4 mm gap between the bulb and shade.
I'm curious as to how many bulbs this could potentially fit onto... I doubt the shape is any sort of standard, but I might be wrong.

Cool idea. And since compact fluorescent bulbs don't get very hot, they won't melt the plastic. I would, however, recommend a looser-fitting cover to accommodate better air circulation and variations in the shape of the tubes.

UL would have a fit if they saw this

UL would have a fit if they saw half the printers we people use.