Petr Vacek

Czech Republic / Company ID 06794246 +

Petr Vacek is an architect specializing in complex geometry. In addition to architecture, he works in product design (3D printed saddle Joyseat) and technological art (Fluidum rebotic sculpture at Expo2020 Dubai). He is a leading Czech expert in computational design, digital fabrication and mass customization. In addition to authoring, he also provides consulting services and offers external collaboration. He is proficient in 3D modelling programs Rhino and Grasshopper at an expert level, uses Python or C# programming languages to create, understands 3D printing, enjoys problem solving and his main tool is a sketchbook and pencil.

Completed projects

Project	Joyseat
Client	Posedla
Year	2021
Description	The Joyseat isn’t just another saddle—it’s a revolution in cycling comfort and personalization. Born out of the genuine needs of cyclists desiring more from their rides, this breakthrough product by Posedla reimagines the boundaries of cycling tech and redefines the relationship between a rider and their bike. Offering unparalleled comfort tailored to each rider, the Joyseat is the world’s premier 3D-printed saddle, meticulously crafted to align with the rider’s unique sit bone structure and ride preferences. A culmination of two years of rigorous research and development, every Joyseat emerges from a synergy between a rider’s physical imprint, their ride preferences, and state-of-the-art 3D printing techniques. This harmony of technology and human touch has propelled Joyseat to global recognition, finding its place in 32 markets worldwide and becoming the talk of the cycling community. Beyond its customized design, the Joyseat showcases the wonders of Multi Jet Fusion technology. The algorithm developed by Posedla transforms rider data into tangible comfort, enabling individual saddle components to have varying stiffness levels. This patented approach not only disrupts the traditional mold of saddle production but sets a new gold standard for it. Each saddle is a testament to Posedla’s commitment to innovation, precision, and top-tier quality—all produced with pride in the heart of Europe, the Czech Republic.