This compact apartment’s bold new interior leaves room for creativity to take center stage.

Photo: Inna Kablukova

“At first glance, it looks composed and serene , but the more time you spend in the apartment, the more unexpected details you discover,” says interior designer Mila Gench, founder of Gench Design , of the 400-square-foot apartment in Moscow that she recently designed for a young professional in tech.

Gench’s description of the apartment could also be applied to the person who lives there: He’s a reserved and thoughtful man who, in his free time, creates objects with a 3D printer and crafts small lamps and decorative objects out of wood. “He wasn’t looking to create a simply contemporary and functional interior, but instead a space that would truly interest him and reflect his personality,” she says. And within this 400-square-foot apartment, every inch must have a purpose.…