Cultural patrimony was the focus of a complex, three-sided debate.
A simple three-sided, roofed structure offers adequate protection in these conditions.
Three-sided work surfaces are equipped with flat-screen computers to conserve space.
Using one-way mirrors, Dan Graham created a three-sided sculpture that reflected the circles and bending space of the building.
At the northern end of the bench, three upright stones form a three-sided bin or hearth, around which was found a considerable amount of what appears to be iron slag.
Get close and you'll see that the top tube is three-sided in cross section.
The stage is set for an exciting resolution of a three-sided power struggle.
A good analogy is a three-sided pyramid.
The family spent much of the year sleeping with the livestock in temporary three-sided shelters woven of bamboo.
Its interior is outstanding, having a three-sided gallery and a very ornate rococo plasterwork ceiling.