The cyanotype setup in Utah relied on direct sunlight to process the image. But the sun is difficult to find here in Illinois in December, so I decided to give technology a try. When I originally set up in 2014, this wasn’t really an option, but Amazon now has 100 watt LED UV light bars for only $30, so I decided to try one. The result is shown below:
Clearly, it looks terrible. But I judged it to be a rampaging success: this was achieved via the crude process of simply waving it over the paper and the transparency by hand for five minutes. My goal was not a pristine cyanotype, but proof that the UV actually worked to process the image. Where it shined adequately brightly for long enough, it really did the job. So I went ahead and ordered two more. I will build a framework to hold them over the print, boxed in with reflectors. Some experimentation to dial everything in, but at this point I’m quite optimistic that a technological solution will make this work reliably repeatably.
On the other hand: the UV light bars are Chinese. So… explosions? Sudden random changes in wavelength? Burst into flames? Microphones directly to the MSS? Who knows.
Bonus wisdom: if you put a rectangular piece of paper on the floor, a cat *will* occupy it.
