Buy or DIY: The Coolest Geometric Shelves Under $100

A home really starts to take shape the moment shelves are hung on the walls, and these stand-out geometric gems pack enough personality to set the tone of the entire room. Whether you choose a market pick or decide to make it yourself, these statement shelves look like modernist works of art—even before you fill them with your most marvelous collectibles.

(above) Room goals: Pentagonal shelves that stack up to the ceiling. Geo Shelf, by Urban Outfitters, $89.

The smartest part of this sleek Mondrian-inspired shelf is the beechwood cup in the corner; it’s a sweet spot to tuck a tiny succulent. Cubist Wall Display, by Umbra, $50.

These flexible shelves play all the angles: Hinges on the end of each metal sheet mean you can shape them into arrows, triangles, or hexagons on a whim. Shape Shifter Wall Shelf, by Land of Nod, $49.

Handcrafted by a father-and-daughter team in San Diego, this trendy triangle design comes in three sizes and four different finishes. Stained Wood Triangle Shelf, by Wood Creek Co., from $24.

These gorgeous shelves are ideal for small rooms: Clear glass won’t take up visual space, and the shallow ledge sticks out only two to three inches from the wall. Varro Hexagon Glass Wall Display Shelf, by MontibyMonti, from $45.

If anything is going to help me (finally!) keep track of my keys, wallet, and sunglasses, I have a feeling this cubist organizer is it. Store-bought unfinished wood boxes make this shelving unit remarkably inexpensive and easy to assemble. Out-the-Door Box Storage, from I Spy DIY.

All you need to create each honeycomb-shaped shelf is nails, some wood glue, and 6 pieces of wood. If you don’t own a saw—or didn’t pass shop class—just ask your local hardware store to cut the board to size. Honeycomb Shelves, from Burkatron.

Another example of the magic that can be made when you cut wood at 30 degree angles. Thank you, geometry class. Wooden Triangle Shelves, from The Merrythought.

Calling all Ferm Living fans who have been drooling over this circular mirror—here’s a brilliant hack, fashioned out of a vintage cheese box. Circle shelf, from Design Comb.

Thanks to store-bought wood boxes in various sizes, the hardest part of this how-to is simply picking a color palette. Shadow Boxes, from Homey Oh My.