Without bleed there is a risk that any design elements that boarder the crop marks could end up with either a slight white line around the edges when they are trimmed, or a small part of the design may be cut off. The finished A4 document showing edge to edge colour once it has been trimmed along the crop marks which included bleed. Once the sheet has been trimmed the document looks as pictured below. This ensures when the sheet is trimmed that it cuts through this 3mm creating as design that prints right up to the edge. To ensure a floorless finishing during the trimming process the designer will extend the design by an additional few millimetres beyond the crop marks – the term know as bleed. Sometimes there are design elements that require images, colour and other design features to fit right up to the edge of the page. Crop marks set up on an A4 page in Adobe Indesign What is bleed? Professional publishing software software such as Adobe Indesign is able to output these on artwork produced by the graphic designer, they can also be added by pre-press software. Whilst they have the name crop marks they are also known as trim marks or cut marks. What are crop marks?Ĭrop marks are lines printed in all 4 corners of the printed sheet – there role is to indicate where the sheet should be trimmed to achieve the desired size once printed. To trim the sheet to the desired size requires crop marks and in some instances bleed. In most instances multiple pages are printed on one large sheet and then trimmed down to the desired sized after printing. Introduction to crop marks and bleed needed?Ĭommercial printing presses are not capable of printing to the edge of a sheet of paper – they are printed on much larger sheets of paper than the final size required. The marks are then added to the artwork and printed at the corners of each page. This article focuses on how the role of crop marks and bleed are used to ensure perfect printing results.Ĭrop marks and bleed play a role in the origination stages and therefore must be taken in to account during the final stages of artworking. There is a lot of terminology in commercial printing that unless you are an experienced graphic designer may seem alien to begin with. What are crop marks and bleed? A quick guide explained
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