Editor’s Note: December 10, 2025: We’ve reviewed these selections to ensure they are available and competitively priced. To further update our coverage, with a focus on ease-of-use, we’ve called in ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

For cutting stickers, vinyl decals, and labels into precise shapes, die cut machines are the most reliable and convenient option. If you’re a scrapbooker, home crafter, or small business owner, die ...

Another year, another wave of STL files that are genuinely worth printing. In 2025, designers moved past the usual desk toys and figurines and leaned into designs ...

3D mammograms can find more cancers than 2D mammograms alone. 3D mammograms are better at finding tumors in dense breast tissue. Combining 3D and 2D mammograms gives a higher radiation dose. There are ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

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