Cave Johnson here,

Now, let's talk about the Aperture Science Portal Cube Coasters. These aren't your grandma's coasters—unless your grandma happens to be a genius scientist. Crafted with top-of-the-line 3D printing technology, each one is a miniaturized marvel of engineering. Modeled after our own Weighted Companion and Storage Cubes, these coasters will keep your tables spotless and your guests impressed.

Now, get to printing, and experience the future of beverage containment

Cave Johnson, we're done here.

-- This print requires an AMS or MMU. If you don't have one, try the multi part version, over at Printables. --

Info:
Size: 10 x 10 cm ( ~ 4 x 4 inches)

Time to print: ~ 1h50m printed individually, or

                           ~ 1h each, printed two at a time.

Material: Printed in PLA, but you could also print them in PETG and with extra top/bottom layers to make them watertight.