Swedish Students Create the World’s Smallest 3D-Printed Beer Bottle

A team of five students from Sweden’s KTH Royal Institute of Technology has broken the record for the world’s smallest beer bottle. Using a high-precision 3D printer, the students produced a 4-millimeter-tall Carlsberg bottle, roughly the size of a sesame seed. This minuscule bottle holds just 0.00001057 centiliters of alcohol-free beer, meaning it would take about 5.37 million such bottles to fill a standard pint. The project began with a digital 3D model of the classic 33-centiliter Carlsberg bottle, and students Joel Bovin, Annie Nordström, Lucas Bergman, Linnea Isaksson, and Karin Hallgren carefully pushed the printer to its technical limits. After printing, the bottle’s interior was cleaned with a microcannula and cured under UV light. Miniature artist Åsa Strand then added the cap, label, filling, and coloring, completing the tiny, fully detailed replica. The challenge originated from Carlsberg, who offered 10,000 SEK and a trip to their research lab in Copenhagen as prizes for students who could surpass the previous record. While the beer itself is non-drinkable in practice, the project demonstrates extraordinary precision in 3D printing and miniature craftsmanship, offering a fun, engaging way to explore both technology and design.