Full analysis of the basic knowledge of printing
Hello everyone! Today I will bring you a basic knowledge of printing manuals that designers must have, so collect it!
Cut line 📏
In order to facilitate the later cutting, the work usually has a clear cutting line. This allows the post-production staff to cut the work exactly to the desired size.
Regular line 📐
Regular lines are placed on edges other than the finished layout, and are generally represented by very thin crosshairs or T-lines for proofreading.
Bleeding line 🩸
In order to prevent errors in the cutting of printed materials, a "bleed" of about 3mm is usually retained on the periphery of the manuscript to ensure the integrity of the work. For prints with complex edges, a separate die-cut plate is required, a process that is common in packaging design. In a die-cut board, the part marked by the solid line needs to be trimmed, and the dotted line represents the folded line.
Versioning 📖
Before the manuscript is sent for printing, it is necessary to separate the printing part from the post-production process and mark the page information so as not to affect the printing effect. This step is called versioning. In order to save costs and reduce waste, in many cases, multiple pages are printed on the same sheet of paper, a process called imposition.
Four-color printing 🎨
Four-color printing is the most basic printing method, the so-called four-color: green (C), magenta (M), yellow (Y), black (K) four kinds of ink, all colors can be mixed through these four inks, and finally form color graphics, a printing method that is overprinted layer by layer in the printing process.
Pantone color 🌈
It is not possible to mix the colors produced by C, M, Y, and K colors, and it is usually necessary to pre-modulate the colors before printing. For example, metallic colors and fluorescent colors.
Overprint 🖼️
In order to prevent ink mixing, usually when two overlapping objects are printed, the color behind the junction is hollowed out (that is, the object behind the cut-out), the original is separated from the color plate, and then the graphics and texts on each color board are overlapped in order of color.
Overprint 🎨
Overprinting, also known as imprinting, is different from overprinting, which is a printing effect produced by superimposing different colors of ink together and blending. When two colors overlap, the lower color is not hollowed out (simply understood, printing one color on top of the other), and the ink is mixed between the two.
🔍 Samples
When you need to print in batches, you usually need to print one or two samples first to see the final result. For example, the handle clamshell box is used to achieve a certain effect after printing, such as hot stamping/hot silver/embossing/embossing/inlay, etc.