Here is a cool gift idea for Dungeons & Dragons fans. The 3D Printed dnd Portal Ruined Archway Phone Holder lets you display trippy animations on your desk. This model can handle screen sizes up to 3.14 x 6.49″.
Majestic Miniatures is behind this cool model (courtesy Black Scrolls Games). 4 animation effects are available in mp4 format to get you started.