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I work for a print shop, there's been several times where Ive send a file over (PDF) and its had .0007 extra on the size (different each time).

Illustrator doesn't seem to recognize it though. I understand this isn't important for printing etc, because that size is nothing. But it messed up the pre flight guy when he's adding cut files.

Anyway to find an exact (non rounded) size in illustrator?

  • How many decimal points do you want? – WELZ May 2 '18 at 19:44
  • This is a known issue in the artwork and print world, the solution is (probably) to adjust the parameters of whatever pre-flight software is getting tripped up by this non problem. – Westside May 2 '18 at 19:58
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Short answer is No

Illustrator's dialog boxes are programmed to only support a certain amount of decimal places. So the rounding is purely a cosmetic thing. Internally however Illustrator stores values and honors exact precision.

Illustrator uses 3 decimal places and 4 in newer versions, however there is no way currently to extract more than the 3-4 decimal places.


It sounds like there is a mismatch with how the cutting table's software handles decimals and Illustrator does.

My advice is to standardise decimals with a script like this:

#target Illustrator  

// script.name = roundSelectedFrames.jsx;  
// script description = rounds selected textFrames to 3 decimals;  
// script.required = select at least one text frame before running;  
// script.parent = CarlosCanto // 6/14/11;  
// script.elegant = false;  

var idoc = app.activeDocument;  
sel = idoc.selection;  
if (sel.length>0)  
     {  
          for (i=0 ; i<sel.length ; i++ )  
               {  
                    var iframe = sel[i];  

                    var content = iframe.contents;  
                    var search4decimals = /\d.\d\d\d\d/;  
                    var decimals4 = content.match(search4decimals);  
                    var decimals3 = Number(decimals4).toFixed(3);  
                    var replace = content.replace(decimals4,decimals3);  
                    iframe.contents = replace;  

               }  
     }  
else  
     {  
          alert("select at least one text frame before running");  
     }  

Then you won't have any more minor mismatches.

Coming from having worked start to finish from art to production to shipping you need to be diligent and standardize the art before you have to cut it. If you aren't doing the art, reach out to your clients and give them a list of "best practices" to follow to ensure their products come out perfect every time.

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