Introduction: Valentine's Day Portal Companion Cube Pop Up Card!
It's a pop-up card for Valentine's Day that I put together myself. For your valentine who would get a portal gaming reference, that is. If you don't think that's going to fly, then you probably want a more traditional card.
Here is a link to the free templates: https://www.instructables.com/id/Templates-for-the-Portal-Companion-Cube-Pop-Up-Car/
The tutorial is done in real time so that you know exactly how to make it.
Feel free to mess around with the templates to create something of your own!
Kevin MacLeod (incompetech.com)
Licensed under Creative Commons "Attribution 3.0"