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Mar 18, 2026

post

The Sun Painted What I Left in the Dark

Cyanotype Printing

Half the formula was already in my darkroom. The other half is FDA-approved for treating radiation poisoning.

photography chemistry art craft analog

code-a-day

Reducing Tones to Sun and Shadow

Ordered Dithering 🔗 Cyanotype Printing

Cyanotype chemistry only knows blue or not-blue — so how do you fake grey?

algorithmsgraphicsimaginganalog

game

🎮 Blueprint Exposure Time the perfect cyanotype exposure — pull the print when the Prussian blue reaches the target depth.