[HN Gopher] How lithographs are made
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       How lithographs are made
        
       Author : alecst
       Score  : 17 points
       Date   : 2022-01-29 17:45 UTC (5 hours ago)
        
 (HTM) web link (www.metmuseum.org)
 (TXT) w3m dump (www.metmuseum.org)
        
       | supernova87a wrote:
       | And now with modern techniques the stone is etched with a tin
       | plasma laser.
        
       | skupig wrote:
       | If you like stone lithography, check out this beautiful project
       | by illustrator Oldrich Jelen and printmaker Petr Korbelar:
       | https://www.youtube.com/watch?v=bQMd85fMGOk
        
       | Animats wrote:
       | How lithographs are really made.[1]
       | 
       | I once had a box made for a software product, back when software
       | came in shrink wrapped boxes. The first box cost $4000. The
       | second box cost $0.25. After I'd handed over the files to the
       | artist who assembled the files for printing, and had approved the
       | layouts on her screen, she said, "You want to see the press?" I
       | said OK, and was given ear protection. We went into the press
       | room, where a sheet-fed 7-color offset lithography press over 50
       | feet long was working. They were turning out fine art prints,
       | faster than one per second. When the box business was slow, they
       | shifted over to making art prints on thick stock.
       | 
       | [1] https://www.youtube.com/watch?v=2vaoGoQfZ_4
        
         | nomel wrote:
         | How would I know if I'm looking at something printed this way?
         | Are there any easy to see "tells"?
        
           | quercusa wrote:
           | Look closely at the image - you should see little tiny dots
           | of color. On a newspaper they'll be fairly large and
           | frequently the colors don't align ("aren't registered"),
           | which is most visible in the corners of the image. This is
           | because they are running very fast and it's "good enough".
           | 
           | Perfect registration is a given for fine art printers.
           | Correct and consistent color is the hard part.
        
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