Designed by industrial studio Relvãokellermann, the LIGRE youn portafilter espresso machine doesn’t look like the part of a rebellious design. But in fact, the minimalist machine is intended as a direct response to both an icon and the status quo it helped shape. Where most high-end espresso machines borrow heavily from the muscular and mechanical Faema E61 designed by Carlo Ernesto Valente in 1961, the German studio’s efforts have produced something more minimalist, monolithic,…