In Denmark, “we’ve been in a white or gray or beige box for what — 20, 25 years?” said one decorative artist. “I think people have had enough.” Helle Mardahl, who designs a line of blown-glass vases, ...

Houston White has always had a taste for fashion. At 10 years old, he created airbrushed T-shirts. At North High School in Minneapolis, he learned to screenprint shirts, then made designs that ...