During printing and designing, there are many tedious details need to understand. Only when these details are done well, can the product stand out in many printing and designing works, especially for the custom coloring book printing and designing. If some details are not handled well, it is easy to make mistakes, leading to design errors, resulting in poor printing quality, high cost, time-consuming, and even impossible to cut. So what problems should be paid attention to the printing and designing of color books? And how to custom a high-end coloring book printing?