Prusa Research a.s., commonly referred to as Prusa, is a Czech company that produces 3D printers, and was the world's second largest 3D printer manufacturer in 2020.

The Prusa i3 is a family of fused filament fabrication 3D printers, manufactured by Czech company Prusa Research under the trademarked name Original Prusa i3. Part of the RepRap project, Prusa i3 prin