Pop-up flash diffuser (for Nikon D7200) by Simone Rossetto | Download free STL model | Printables.com
Amazon.com : ENHANCE Camera Light Diffuser Softbox for Pop Up and External Speedlites with Foldable, Universal Design, Compatible with Neewer, Altura, Youngnuo, Canon, Nikon, and More Speedlite Flashes : Camera Flash Light
DIY Flash Diffuser for DSLR Built-in Pop-up Flashes - The Crafting Nook