This is a snap-fitting enclosure for the PINE64, the famous $15 64bit computer funded on Kickstarter in 2015. It's designed to offer something unique and exciting to complement the computer, and of course take advantage of 3D printing. You can access all of the ports and features with the enclosure fitted, or the snap fits allow you to very quickly pop it open without needing any tools. Great spot on top to store SD cards, USB sticks etc.
The bottom part is best printed with the base on your print plate (I printed with a brim), and the top part is best printed upside down, with the top laying flat on the plate. Only a small amount of support material is needed for the center section
This design was used as a tutorial I wrote for a Formlabs article called "How to Design 3D Printed Snap Fit Enclosures." Check it out for all the details on designing an enclosure like this.