Use Blueprint Process to Print on Fabric With Lasers

[Shih Wei Chieh] has built a laser cyanotype printer for fabrics. You know, for art!

How do you get an inkjet head on a shoe or a couch? Most printing processes require a flat surface to print. But hearkening back to the days when a blueprint was a blueprint, a …read more

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Hackaday Prize Entry: A Printer For Alternative Photography

Film photography began with a mercury-silver amalgam, and ended with strips of nitrocellulose, silver iodide, and dyes. Along the way, there were some very odd chemistries going on in the world of photography, from ferric and silver salts to the prussian blue found in Cyanotypes and blueprints.

Metal salts are fun, and for his Hackaday Prize entry, [David Brown] is building a printer for these alternative photographic processes. It’s not a dark room — it’s a laser printer designed to reproduce images with weird, strange chemistries.

Cyanotypes are made by applying potassium ferricyanide and ferric ammonium citrate to some sort …read more

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