Designed by her husband, architect Jon Lott, the Hudson Valley workspace draws inspiration from agrarian buildings Riffing on agrarian archetypes, the gabled, five-sided building sits on a 30-acre parcel in upstate New York. For artist Diana Al-Hadid , her studio is nothing less than “an extension of my mind.” “I cannot really function unless I have a place to work,” she says. So who better to design a new sanctum from the ground up than the person who knows her best: her husband, architect Jon Lott. Throughout their 12-year marriage, the couple say they have served as each other’s trusted sounding board, whether she’s making monumental, richly layered but airy pieces that can seem to defy gravity or he’s conceiving sculpturally innovative structures. The studio, though, has been their deepest collaboration, a modern take on agrarian architecture with a soaring ceiling under a steeply pitched roof, and towering windows that drench the space in light.…