Download A4 Poster Mockup Free PSD. A A4 poster mockup PSD to help you display your A4 poster and other print designs. Use the smart layer to replace your resume, flyer and poster designs. This free A4 Paper Mockup PSD will help you showcasing you Poster design in professional way. This Freebie is going to be very useful for your PSD mockups collection as well. Free Poster mockup PSD is based on smart objects. You can easily place your design, change background color easily. Hope you like it. Enjoy!