#Cupholder #Contests Hi everyone, I designed this can holder with an integrated air horn / stadium horn / vuvuzela and am currently participating in the MakerWorld design contest. I hope you like the idea. 👍(Edited)

I built this bedside pair on a mechanical "AND-Logic" principle: Your phone only charges when your partner’s phone is also resting on its station. By making power dependent on each other, a mundane task becomes a shared symbol of unity. It’s an invitation to go offline together, shift focus away from the digital world, and start your shared time—undisturbed and fully present.

While searching for a durable and smooth card retention system, I stumbled upon a design that looked like a shark fin. The first version didn’t hold up—but I loved the look so much that I redesigned it from scratch. Now, the new mechanism is strong, consistent, and my favorite so far—tested and proven with 6 cards!

A new wallet is on the way! I was looking for a way to secure the cards inside the wallet without having them held by a tapered opening and subsequently pushed out of the slot by the pressure of the cards against this taper. I think I’ve found a solution, but with one restriction: unfortunately, it doesn't work reliably with PLA, but only with PETG. The mechanism is now designed like a money clip which is built into the card slot without making the wallet any thicker. I designed the clip so that it automatically retracts when the cards are inserted. The design of the clip reminded me a bit of a shark fin, which is why the wallet is named the "Shark Wallet." I also gave the front a poly design so that a triangle is visible, which in turn is meant to reflect the shark fin. Furthermore, I integrated gills into the design to further emphasize the shark theme. A few banknotes can also be stowed there as desired. I will be testing the wallet for another week before I release it and make it accessible to everyone.