The Secret Chamber of Prepress | Viktor Vigh | Skillshare
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5 Lessons (28m)
    • 1. Introduction

    • 2. Printers Marks

    • 3. Colors & Profiling

    • 4. Print Finishing

    • 5. Thanks for watching

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About This Class


01 Introduction

02 Printer's Marks

  • Trim Lines
  • Folding Lines
  • Center Marks / Registration Marks
  • Color Bars
  • Bleed
  • Margin vs Bleed
  • Slug

03 Colors & Profiling

  • CMYK vs RGB
  • Swatches (Process vs Spot Color)
  • Moiré
  • Overprint
  • 100K vs Rich Black
  • Color profiles

04 Print Finishing

  • Spot UV varnish
  • Foil Stamping
  • Embossing
  • Letterpress Printing
  • Die Cutting
  • Imposition

05 Thanks for Watching

I've created this course for print designers who already have an intermediate knowledge about theory and they've practiced their art for a while yet they want to learn more about prepress, colors, and print finishing. I also suggest to watch my course for web designers who want to cut their teeth on designing for press.

The course requires strong, reliable knowledge of such applications as Adobe Indesign, Photoshop, Illustrator or Affinity Designer, but you can apply the techniques that are in this course to your preferred software as well. I won't describe what option where can be found in an application, but there'll be a lot of examples for you to understand each subjects.

There are many more prepress related subjects to be discussed but these are the ones that you should take a look at first. 

Links for files used under Creative Commons license and for the photo can be seen here: 


Meet Your Teacher

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Viktor Vigh

Do androids dream of electric sheep?


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1. Introduction: Okay. Okay, calm down. My name is Victory. I've been doing graphic design for about the past 20 years. If these marks always seem like some secret language to you, he didn't. You know, Mayan Temple for about 1000 years. Please don't call further if you don't know how to set up a document for die cutting embossing and the likes. I suggest to stay very where and if you don't understand the difference between process and spot. Colors seem like a and RGB. You should stick with me in this course. I described the meaning off each off those and many more. First I talk about printers marks. I show you how you can communicate what you want to happen to your designs using these marks and how you can set them up manually. Then I talk about colors C m y que les this RGB It's what she's spot colors Marty over print and cara pro Feiss. Finally, I show you how to set up your documents for print finishing like die cutting and for stamping. I'll also give you some imposition tips. I'll guide you through it all. By the time I finish talking, you will become the next grandmaster off printers, marks and print finishing 2. Printers Marks: what we're doing when we put those symbols onto our designs is that without the printer, what we want to happen to our design after it was printed were able to add them automatically using a graphic design application. What we can set them up manually if it's required. Automatic lies can be protest by PDF or PostScript comfortable in positing processing applications and printers to let us begin Trim lines. Reminds are black continues straight lines. You need eight of these line to get a cropped rectangle shape by using black. I mean simple 100% black or key color fording lines. We use black dashed lines for telling everyone to a document forwarded. You can use more than two fording signs if you need more force on your design, but in this case, you need to tell the order of the fording. Now you can see examples for one food to an example off Z four plus one more center marks or registration marks. We use continuous circle, stroke and centered crosshairs for registration marks. The standard values are 100% for cyan, magenta, yellow and black. It's useful lining the plates and avoid costing the position off. These lines are the same on each plate, so they align them. The pressing will be precise. If you view sport clothes in your artwork, you should add 100% values of those colors to the marks for lining. See more in foreign spot colors. You Nicholas chapter color bars. These parts are printed on the Treem area. The parent sheet there are many was for checking the intensity, using the detonators, great balance and over printing. They can also point out technical issues. For the press operator, you can sit percentage values for each played, such as 10 2030% off science up to 100 you can even combine them. You may out of 100% black stroke over Director was for more precise aligning live 100% black. The standard order of pressing is, as you see in the sea and why Kate It stands for San magenta, yellow and black. They print the plates in this order, you've probably seen posters on the streets that are there for ages, and the sun soaked them so much. Now you've only seen a pair of science or blue poster that is because it was the lasting all of the above. Layers off things disappeared by them due to the sunshine bleed or blood lines. Bleed is printing on the sheet that will be trimmed. They are slightly larger areas, then your team sizes, usually containing the grand tones, textures, photo or other artwork elements. If you don't know what it's used, you should try to trim a few sheets without bleed. We'll probably see a few right edges on the paper due to the small movements off the sheets . This is what bleed is trying to prevent. It provides the printer a small amount of space, so the movement of the paper won't be not December After finishing the standard values are 0.125 inches in the U. S. And between two and five millimeters in Europe, depending on the printing house. Bleed is not a part of your layout size. I repeat. It contains artwork elements, yet it's independent from your trim size. I need to talk about this because I've seen a few cases in which people didn't understand it. When they were asked to provide a new print five, it believed they simply enlarged. They're designed to march to bleed. It's not gonna work for many reasons. If you do so you were scale up or your elements off your design. The graphic elements such as the text boxes and beige numbering. We'll get closer to the trim size, not to mention the image resolution does going to decrease margin. Brothers bleed. These are the terms that people off the mix up, we calculate and said imagines to give space to our content. Margins are fixed guidelines inside the trim size you can use, therefore creating a symmetric or asymmetric layout. You can set your auto agreements off margin intentionally if you want to, but margins were never. Workers bleeds the letter R content areas that are outside the trim size. They're not the same slug. Then, after we have the slag area, which is not always used, it's another content area that's larger than the bleed area. You can put information in here for the press separator or someone else who were handled the document. There are no values, marks or science for the slug bear in mind. You should place over these marks in the trim area or outside the bleed depending on the type of the mark, because otherwise they would become visible and you don't find that to happen. Wait off. These marks arise between hairline Europe on 25 points and 0.5 points, but there are thicker examples to 3. Colors & Profiling: There are a few color related terms out so that you need to be aware off my new design for print kind of space. Quite a number of color spaces were created over the years for calorie production such as L A B R g B C M y que Lou Mackris, Kuma H s sweet and the commercial wants, such as Panton or a L. For example. Now we will take a closer look at some of the most violent with scholar spaces. RGB under frustrated c m y que. You might be on amazing Web designer, But it would be surprised how different your RGB artwork would look. If you've simply scented to press without color conversion now, why is that? It's because see him like a color gamut is not covering all that is in an RGB color space. RGB stands for red, green and blue, and it's using additive color mixing. That means if you place all colors on each other, you will receive white. As a result, CME, like a on the other hand, uses subjective color mixing, meaning that when adding over four colors on each other, we get black K stands for key because black is the cake color. By using four printings, we can't replicate over the colors RGB is able to produce. So if you design an artwork for printing, you're better to combat your photos to see him by K using a dedicated profile, and you should design your graphic elements using that color space. I talk about coral precisely there swatches in graphic design ups. It's quite a nice feature to have your color saved with her name. You can arrange them, rename them, group them into four others. These are the so called swatches. They are similar to objects, ties, character or paragraphs ties. You can use the mask your templates, and you will be able to record them later if it's needed. However, there are two options when you want to save this watch. Many people don't know the difference, and they don't bother with it. But you should see the face of an operator when he sees a design that uses, like 20 color plates, sent us ready to print by the designer. The two options for saving this watch our process color, as the name says it will be converted into CME by K values depending on the printing procedure. If it's a digital printing house, this watch will be processed as a c m y que color, and if it's an offset printing house, it will be converted to see him by K values when color separation hackers. But they only used four plates to print. What color if you save your if you save your swatches, a spot colors in your document, and if you send them to print without converting them to process, color your design. We require additional press plates. Besides I in magenta, yellow and black. It will also make the printing process more expensive that colors are usually included networks for special colors that can be replicated using CM Mikey. But using another color space on Lee Dental Matching System, for example, in these cases offset printing house very with inks created by Panton. If you want to use pot cars, you should export your fights with the settings. Preserve color numbers. Marty. We're talking off the printing now. You will see visible interference patterns if you scan and print a previously printed image . This is because printing full color images involves the super imposition off halftime screens, so before you use a scanned image that was printed using offset, you should feel they're out unneeded Mari buttons You're selling to a tutorial that will help you if you don't have dedicated plugging to do that over print. Over printing is a technique where the color mixing won't be achieved by rotating the half turn screens instead by printing them upon each other in a similar way, like when you paint a water color on the top of the other. The top objects one knockout other colors below, as they would do it by the fourth. It requires a lot of practice together. It's right, but you can achieve many colors using this technique. My default 100 person black is over printed above other three cyan, magenta and yellow because most often the text is black and you would want to avoid ghosting. If you use black text, it should be 100% black. Instead, off rich black. See Maureen forage back later, dropping If you over print a graphic elements color above the others. It should be aligned really precisely to prevent visible aligning issue. It's almost impossible if he was trapping the columns below your over printed objects will be scared up a little, so the over print were covered them 100% black. Where's us? Reach Black Black can be achieved in money raising print design. 100 person black is great for text strokes and the likes. But if you want to use a large black feel in your artwork, 100% black real looked pale, and the in coverage is not always perfect. This is why you would set up offset rich black or digital rich black, depending on the printer offset. Rich black is usually between 15 and 30% off all science magenta and yellow, with 100% black over printed on it. This gives us a nice deep black color, just like when you use registration color for small attacks. This is better to avoid. He was engaged for copy. Digital rich black is defined by 60% science for the person magenta and yellow and 100% black. But there were cases where the rich black was achieved by using 60% off science and 100% of black. It resulted in a bit colder looking black due to sign, but it looked great. You should always check your separation and simulated Resolute first in design. My default setting uses reach black for displaying taxed, so I suggest to change the preferences for better results. You should never use registration. Color forage black. The in coverage value off it is so huge sheets would take many days to dry color. Precise monitors and printers can display the full visual spectrum. This is very color. Profiles come in handy, Dave, your 100 trade offs, and they will decide which colors should be included. Actually, because profess, as our job is the most widely was color profiled, it has the smallest coverage within the L. A B diagram. So if you want to be safe and you went to colors represented accurately with more screens, you should use this color profile and of the RGB was developed in 1998. It is of either color coverage off the spectrum, but the average monitors one displayed correctly, only the high end, once proof or to RGB, is more fighter than that'll be. RGB. It's so big that it requires 16 bits per channel instead of the usual eight beats. It's currently used for professional and scientific purposes only C M y que precise Within the L A B diagram, you'll also get different color spaces, depending on printer provides. These were display much less color their standard RGB because instead of using light you depend on using only thinks in my personal experience, what worked for me over the years is as follows. Either export my documents without changes or profiling, and then I leave it to the printing house. If I don't get profess from the operator, I would use us for for press in the States and created for 27 in Europe. But you should ask your local printing house first for precise profession as we give you the color profile that you should use how to do it. The images that you receive or the other assets that come from another source are most often taken in another colors based than your screens and the printers. When we talk about photos, it's almost 100% sure that it will use an RGB provide, and you should always cover the images to see him like a color space. When you designed for print, it's better to do it at the designing stage do not rely on the pdf color conversion later, which can provide surprising results. Profiling is all about making sure that your colors change as little as possible, and changed s precisely as possible. You know the steps first year screen should be calibrated. You can either use color calibration toes or hire professional service for this. Calibration should be done at times after a while in case the temperature and other conditions change in your local working environment. If that profile of yours for set in your applications, you can convert Oprah fais more accurately if needed. You should use the same precise in all off your design applications to prevent multiple color conversions when you add it and import of foot over. Besides your RGB profile, you would want to set your default. See, I'm like a profile as well, depending on what the printer or the printing house supports. If you do so, you will get the closest possible result, too. But you were C on the printed sheets. When you open an image or an asset, you will be as if you would want it to be converted into your color space or you wish to preserve color numbers. It's important to know what's the difference between assigning and converting a color profile. If you sign it, you will preserve color numbers and if you use accurate numbers, but it will look different in your document or in your design. If you convert toe profile the software, we look for the closest numbers, resulting in a more precise conversion. So first you open an image of an asset. Then, with the current, Profess said, you would want to convert it to your profile. Then you should convert it to see um, bike a using, dedicated see and bike a profile. Finally, you exported. PDF Using the same profile for convention, I suggest to use the related calorie metric rendering method. Simulated prevue. If you're working in adobe apps and you're unsure about how your print would look, I suggest is both separate review and proof color simulating paper color and black ink 4. Print Finishing: bring finishing you may be a variant effect that you cannot only print your designs, but you can apply where he was finishing the printed artworks. But you we punish well at the glossy tangle texture to the artwork on the areas on which you want. It's cured or hardened by UV light. During the printing process, ive the varnish. We recover apart off another element. You should had a small stroke outside the vanish, such as 1.128 millimeters. By doing so, you make sure it covers the other elements in a similar way as to use. Trapping, glossy or matte varnish is similar, but UV lighting step is not used in the process for stamping is similar, but the finish is applied using the stamps. So it's somewhere in between a sport you we vanish and MBA thing MBA thing were raised or recess relief images and designs on paper and other materials. Literal per spending is one of the oldest printing methods, and it's still used. Today you can print thicker papers with unusual textures using it. The forms are made of metal, so the areas that would press the sheet would be not only printed but raised as well. Die cutting. You cannot only apply rectangle shape training to the sheet, but you're free to use any kind of shapes. It could be a circle, a rounded rectangle. Try and go for nearly anything that you can draw using vectors. It's finally used for things like For this you need to provide an outline or a stroke to the operator, which is not in process color. Anything on the artwork that exceeds the shape of the die cut will be considered as the trim area tips for designing print finishes Well, I personally used still methods for designing such. Either way, I would use another layer in the document for the actual finish. In this case, are need a spot. You were burnish and die cutting applied to my design. The first method is the type position, those layers and the elements within above my design. In this case, I would set up a spot color, naming it spot you we burnish. Then I would create another spot color for dickering. The sports will be treated as over print colors so they don't interfere with my design. When I export, I wouldn't change the document size or I wouldn't reposition my layers. I would export it s cities, but with the beauty of color Conversion said to convert the destination preserved numbers, I would export my layers as well. If you do so, the operator will be able to turn off your spot colors and layers, and it will be possible to create forms for the finishes from the same Pdf document. The second method is that I would use a spot or a simple black color for the finishes. I would use layers as I did in the previous method. Then I would export Ilia separately from the design, which will be set to a process color. In this case, I would send a PdF for the design itself and two more pdf ice, which would only contain my finishes. It may include the registration mark for each, but if you've position them precisely on the document area, then it's not needed imposition. You might think that the job often operator, but you may be told to provide in position to your design, and why not, even if it's not by itself. If you've completed your design, then you're able to create the imposition as well. You can use a dedicated software or a plug in, but you can do it by yourself as well. I'll give you a few tips for creating your imposition. If you're not familiar with the process off the press, you should ask for every detail at your local printing house questions like how debut turned the sheet. It's a double sided document what sheet size they will use. What's the printable area off the sheet and so on? Use the correct cheat size as your document size and then paste, rotate or repeat your artwork on the sheet exactly as the printer requires it. - The arraignment's should be very precise, if possible, and if you can, you should type in the values for positioning. The graphic elements and marks always paste your design with bleed included. Do not scare your design up or down unless you do it internationally, since they were designed on the sheet first, then at your marks. This we're not only happy when trimming happens, but it will have the press separator aligning the sheets when he has to turn it to the other side. Adam marks outside the bleed area. You don't find your mark streamed off. Used remarks and Ford marks exactly where you want them to happen. For positioning spot colors or finishes include those switches in the registration so they can align it the best way possible. Pdf standards. Pdf is an extremely small five format that's being developed even in this very moment, but it's easy to get lost for a beginner, so I tried to keep it very simple. I still use the X one, a 2000 and one pdf standard for ah, regular print if I have to use a color profile standard, want alot exporting without color profile and x one A. Requires that orphans used be embedded in the document and that'll images used. Follow C m y que or spot colors by in Merritt fonts. It means that you won't be required to comfort you with text to outlines, which she issued avoid anyway, If you outline a text, the appearance off it will change this. Pdf x one A is the older standard that you can use. Your chances are better for your document being processed when you were after image processors. Transparency is not allowed in the standard in case if you want to use transparency layers or for some reason, you need RGB objects to remain in the file you can use. Pdf 1.6 without the standard, you can learn more about pdf Sanders if you visit this Wikipedia side. 5. Thanks for watching: There is many more toe repress colors and finishing Dennis for seems, but it's all not that difficult. For example, you can change the sequence off your rings when you export, or you can change their density. You may change both killers e with ink on R I p. But you need to know exactly what you're doing when you change such options. If you don't know something that relates to your print, then I simply suggest to either doing online research or ask for details and more information at your local printing house. Their job is to create quality prints, and they should be happy to help you out. Don't be scared off a few questions, because it's only people who just be like you on the other side. Thank you for listening to my course. See you want to next time by