Make:'s April Fool's 3D Printing Contest

A new "twist" on an old concept that will make your head spin. Or at least you'll have to spin your cup to quench your thirst.

This cup is designed to shoot coffee directly into your eye.

Greedy or not, here it comes! This is a twist on an ancient Greek prank, but even if you don't overfill it, it still might get you!

using free moving widgets this cups center of gravity rapidly changes maker it incredibly unwieldy.

This is a cup designed to dump liquid whenever someone tries to drink from it with their right hand.

Oneshot, Rationer, Mirror Me, 6-Shooter, Ying vs Yang, The Friendsly Octopus

This cup will spill its contents on you when you tip it, unless you know its secret!

About two-fifty an hour. Bulbous body, wide turned down lip. Makes it hard to drink from.

The instant your prankee lifts up this 3D-printed cup it starts violently vibrating! The electronics separate from the cup for easy washing.

A tricky cup for a good laugh as the drinker gets a shower if they pick it up wrong

Fluted cup with edges to poke your eyes while you drink!

Design was created on solidworks.

It's a prank cup that is challenging to drink from without spilling all over yourself... unless you know the secret.

this cup was designed in Fusion360

Do you dare an attempt to drink from this diabolical glass?! Spill a drop, lose your soul!

This cup work great as long as you don't drink out of by holding the handle with your right hand. If you do, it dribbles until empty. Fool!

Choke and splutter as your drink is inevitably blown into your face and spilled down your chin repeatedly with no easy way to set it down.

Drain holes cause liquid to drain into the foot of this goblet. With the liquid in the foot there is a trick to drink the liquid.

Take a drink. Don't scream.

The most useful cup ever! Once you print it, you will never leave home without it.

Here's a cup that's really simple to drink from once you know the trick

A harmonious union of the best parts of the Pythagoras Cup and the Puzzle Jug, this cup is a mashup of inspiration and innovation!

My tribute to Felix Klein born April 25, of Kleinsche Flasche fame.

A mug that is impossible to drink from, unless you know the trick