Portrait of Josef Průša
Photo: Josef PrusaSource · GFDL 1.2
Tools & Making

Josef Průša

Prusa i3 open-source desktop 3D printer

Czech RepublicEvidence: high confidenceChecked July 2026

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Who is Josef Průša?

Josef Průša is an inventor associated with Czech Republic. Their documented work in tools & making includes Prusa i3 open-source desktop 3D printer, the contribution at the center of this evidence-backed profile.

Josef Průša created the Prusa i3, an open-source desktop 3D-printer design that made reliable fused-filament fabrication hardware widely accessible to makers. His company traces the machine’s role in its product history, while 2025 reporting records Průša unveiling new printer hardware at Prusa Day.

Known forPrusa i3 open-source desktop 3D printer
FieldTools & Making
Associated withCzech Republic
Evidence reviewed2 sources
01

What did Josef Průša invent?

created the Prusa i3 open-source fused-filament 3D-printer design and its accessible maker-hardware platform

02

What did Josef Průša accomplish?

The Prusa i3 became one of the most influential and widely replicated desktop 3D-printer architectures.

03

What is known about Josef Průša today?

Tom’s Hardware reported Průša presenting new printers at a 2025 Prusa Day event.

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