Sun Cutter - solar-powered low-tech laser cutter

The sun cutter project explores the potential of harnessing sunlight directly to produce objects. the machine is a low-tech, low energy version of a laser cutter. it uses pure sunlight, focused by a ball lens, to repeatedly cut programmed shapes in up to 0.4mm thick plywood as well as paper and card.
The project also explores the merit of analogue mechanized production that draws on the machine technology found in pre-digital machinery and automaton. it uses a cam system, moving an x & y- board to control the shape of the cut. the cams are set into synchronized motion by a small solar-powered motor driving a timing belt.
Each pair of sunglasses made, even though very similar in shape, is still unique, creating a juxtaposition between the machine-made, repetitive and individual, unique object. [Markus Kayser]
messengersays...

Calling this * eco is like calling a Rube Goldberg machine efficient. Just because it uses solar panels doesn't mean it's environmentally friendly.

All that plastic and metal, on top of that driving out to the desert and back, not to mention all the materials consumed in designing it, to do with solar power in a few hours what you can do better in a couple minutes at home with a pair of scissors and a hole-punch.

MaxWildersays...

>> ^messenger:

Calling this eco is like calling a Rube Goldberg machine efficient. Just because it uses solar panels doesn't mean it's environmentally friendly.
All that plastic and metal, on top of that driving out to the desert and back, not to mention all the materials consumed in designing it, to do with solar power in a few hours what you can do better in a couple minutes at home with a pair of scissors and a hole-punch.


Wow, you are so missing the point. This guy is doing proof of concepts. Of course it would take resources to set up, but once it is, you could use nothing but solar energy to do what factories are burning fossil fuels to do. Indefinitely.

Of course his machines are very crude, but his goal is to get people thinking about utilizing free and abundant resources of the desert. Others can refine the ideas however they might want to apply it.

messengersays...

OK. I take your meaning about proof of concept for the 3D glass printer thing, but for this particular one, at no time will consumers at large accept paper products with burn marks around the edges. They'll have to be cut off, and then it would make more sense just to cut it with a blade in the first place. Now, that blade could be sun-powered, but that's a different concept.>> ^MaxWilder:

>> ^messenger:
Calling this eco is like calling a Rube Goldberg machine efficient. Just because it uses solar panels doesn't mean it's environmentally friendly.
All that plastic and metal, on top of that driving out to the desert and back, not to mention all the materials consumed in designing it, to do with solar power in a few hours what you can do better in a couple minutes at home with a pair of scissors and a hole-punch.

Wow, you are so missing the point. This guy is doing proof of concepts. Of course it would take resources to set up, but once it is, you could use nothing but solar energy to do what factories are burning fossil fuels to do. Indefinitely.
Of course his machines are very crude, but his goal is to get people thinking about utilizing free and abundant resources of the desert. Others can refine the ideas however they might want to apply it.

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