When making poster from a scratch some people prefer to look for a ready-use poster template. They often called by blank poster template. Blank poster template already contains some object like blank image, blank shape or just blank page of paper formatted in certain poster size. If you’re going to find blank poster template, you have to make sure the format of the file.
Many of them served in PNG files, so they are easy to edit. Some of them also already in PSD format, so people can drag & drop the objects contained in the template using photo editor such as Photoshop.
Many of blank poster template also provided in vector, so users can selectively separate or join the objects in the template. This kind of file format is commonly in vector-based image using EPS file format. When you’re about to edit EPS format you can use Adobe Illustrator. EPS can contain a more professional graphic design using text or graphics.