Nancy: “As kids, we used to sit and draw for hours next to each other, not talking to one another. I was obsessed with drawing factories. I’m obsessed with production. That sort of stuff will still make me stop in my tracks and my jaw drop.”

Kimberly: “She drew conveyer belts.”

Building Block, Accessory Designers

This time last year, Kimberly Wu was designing cars in Tokyo for Honda’s Advanced Studio and her sister, Nancy, was in Portland, designing shoes for Nike. In spare moments, Kimberly would visit hardware stores and collect the sort of everyday objects that seem to come into focus in other countries, and that somehow encapsulate the dilemma of being a transplant: how a change of scenery can sharpen your appreciation for the small details around you, and yet also remind you in their strangeness that it’s not quite like home. “The world can be as big or small as you want it to be,” Kimberly says, “And Tokyo is this place where you feel like the world is gigantic, but you also feel tiny in it. There are so many people around you always, but it’s so alone and solitary.” Meanwhile, across the choppy Pacific, Nancy was coming to a similar emotional conclusion, but drawn from a different set of observations. “Portland is like the opposite of Tokyo,” Nancy says. “It’s so small and quiet, and that can also be really lonely. I think we were both lonely.”

So when Kimberly’s experiments combining those hardware-store finds with simple, pared-down bag shapes began to gain deserved notice, the sisters decided to leave their corporate lives and start Building Block together, trading too-infrequent visits for a joint move back to Southern California, where they grew up. “We’ve never worked together before, but in our heads we’ve always been working together,” Kimberly says. Adds Nancy: “When we fight, it’s about personality differences, the same things we’ve fought about all our lives. But our sense of humor has evolved in the same way, and when it comes to our aesthetics and our goals, it has always been about making our own world.”

For now, Building Block offers only a few carefully considered and sought-after bags — all made with such unexpected elements as rubber tubing, wooden balls, and brass rods —  but the sisters have plans to draw even more on their shared background in industrial design and are considering expanding the line to furniture and other items. But only if the ideas are exactly right, and their standards are exacting. “I think attention to detail is super, super important. I get really emotionally upset when things aren’t done with care,” says Nancy, a self-proclaimed perfectionist. But don’t they say perfection is lonely? No matter: whoever said it definitely didn’t have a sister like this.

Last month, Kimberly and Nancy moved into a live/work studio on the east side of Los Angeles, just down the street from me, where they bicycle indoors and serve visitors homemade avocado ice cream. Here’s a tour of the amazing world of Building Block.

Su Wu is the proprietor of I’m Revolting.

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