You won’t believe what a stack of colorful cubes did to a packed game-conference room.
Why Freya Holmér was the talk of Guadalindie
At the inaugural Guadalindie festival, one guest drew the most attention not for a blockbuster game but for a lecture that blended code and visual poetry: Freya Holmér. Outside engineering circles she might not be a household name—certainly not on the same radar as designers like Nina Freeman or Daniel Mullins among players—but within the Unity community she’s regarded as a pioneer. Holmér has built influential visual programming tools for the engine and spent years teaching others how to use them, helping lower the barrier for people to make games.
The demo that felt more like performance art than a slide deck
Her presentation filled a room, with attendees spilling to the sides and pressing close to the divider between the conference stage and the prime exhibition booths. Instead of a slideshow or prepared videos, Holmér ran her own software live: a scene of colored, three-dimensional boxes she manipulated in real time. The talk was technically dense for those unfamiliar with the subject, but many in the audience described it as “beautiful” in a literal sense. Afterward the crowd buzzed with questions: “How did she do that?” and “How do you make a presentation like that?”
Learning, teaching, and the need to understand deeply
The morning following her popular talk, Holmér explained in a quieter press room why she invests so much time mastering the material she shares. “I enjoy the process of learning,” she said. “I have to learn many things because if you want to teach others you need a very strong understanding of everything—at least that’s how it is if you want to be a good teacher.” Her approach to pedagogy is deliberate: she believes effective teaching of technical subjects requires both clarity and deep knowledge.
From artist to coder to evangelist for beautiful math
Holmér’s path into programming began in the arts. She started out as an artist, moved into 3D modeling, then transitioned into programming—and that shift led her into mathematics. She recalls discovering how much of math she found “beautiful” and how frustrating it was to encounter formal explanations that lacked visuals. In her words: “There are many things in this science that are very beautiful but that nobody presents that way.” Wikipedia entries and traditional texts, she argues, often consist of opaque words with no animations or visual support, and that absence obscures the innate elegance she wants to reveal.
Why game developers make an ideal audience for math outreach
Holmér sees game developers as especially receptive to mathematical outreach. Many students in school and university ask, “When am I ever going to use integrals?” or dismiss complex numbers as irrelevant. She admits she once felt the same incredulity, but emphasizes that mathematics is woven into game development. A little context and well-crafted explanations can help people appreciate concepts they learned in class but never connected to real work.
The communication gap in math education
A key source of Holmér’s frustration with how math is taught lies in communication, not content. She observes a split: people who excel at mathematics often aren’t skilled communicators or designers, while those who are visually and verbally persuasive frequently aren’t drawn to math. That divide leaves a “hole” between technical rigor and attractive presentation—one she aims to fill by combining aesthetic design with mathematical clarity.
Tools, videos, and a Patreon that buys creative freedom
Holmér balances making Unity tools with running a mathematics-focused YouTube channel that’s been active for more than nine years. A Patreon—decorated, she jokes, with pastel vectors and equations sporting cat ears—enables her to prioritize meaningful work over chasing platform algorithms. “If I had to put out videos just for the sake of putting them out, my passion would disappear,” she says. Being supported allows her to create what genuinely interests her and avoid reducing her channel to a grind designed only to satisfy metrics.
Where to read more about Guadalindie
For readers interested in further coverage of the Málaga event, the festival’s highlights and related reporting can be found in the editorial hub devoted to Guadalindie.
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Logan Whitmere is a gaming enthusiast who lives and breathes video games. Whether it’s reviews, gaming tips, or news about the latest releases, Logan’s passion and expertise bring the virtual world to life for every reader.