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Merch store for 30X40 Design Workshop, LLC. Founded by Eric Reinholdt, architect + entrepreneur. I make videos about architecture, design simple modern homes + share my process online.
United States

Hats

Corbu Modulor Hat
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Description: Le Modulor created by LeCorbusier, a proportioning system based on the human dimension.

Tags: architect, architect dad, architect mom, architecture, architecture lover

Corbu Modulor Hat

$12 $19

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Nolli Hat
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Description: A graphic nod to one of architecture’s most iconic drawings. The “O” is reimagined as a Nolli Plan. Recognizable to architects and design students alike, it’s a subtle nod that signals your place in the discipline.

Tags: architect, architect dad, architect mom, architectural detail, architecture

Nolli Hat

$12 $19

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Ando Typography Wordplay Hat
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Description: A play on the architect's signature concrete style. The four dots in the letterforms "D" + "O" represent the form ties which distinguish his rigorous architectural style.

Tags: architect, architect dad, architect mom, architectural detail, architecture

Ando Typography Wordplay Hat

$12 $19

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East Bayside | Portland Maine (sm bottles) Hat
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Description: Celebrating one of Portland’s most distinctive neighborhoods. The design highlights East Bayside’s industrial edges, breweries, and waterfront grit with a clean graphic print.

Tags: maine, maine state, us cities, us city
Macomber Quarry Hat
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Description: A tribute to Mount Desert Island’s granite heritage. This design nods to the Macomber quarry and the craft that shaped Maine’s coastline and cities. Rugged, understated, and rooted in local history.

Tags: acadia, acadia national park, granite

Macomber Quarry Hat

$12 $19

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