Slovak Student Wins First Place at Regeneron ISEF 2026 with 3D Micro-Scanning System

by Chief Editor

Filip Lajčiak, a student at the Secondary Technical School in Dubnica nad Váhom, has secured first place in his category at the 2026 Regeneron International Science and Engineering Fair (ISEF) in the United States. The high schooler was recognized for developing an innovative stereovision 3D scanning system designed to capture microscopic samples.

Innovation in Microscopic Imaging

The project developed by Lajčiak integrates several complex fields, including microscopy, electronics, a camera system, mechanical positioning, and software-based image processing. According to Ján Nemec of the Association for Youth, Science and Technology (AMAVET), the system utilizes a pair of images captured from slightly different angles.

By analyzing these images, the system can calculate the spatial structure of a sample and generate a digital 3D model. This approach provides a more accessible alternative to professional 3D imaging systems, which are typically characterized by high financial and technical requirements.

Did You Know? This achievement follows a similar success by Filip’s brother, Michal Lajčiak, who also won first place in his category at Regeneron ISEF in 2024 with a project focused on a control system for a robotic swarm.

Academic Pathway and Mentorship

Lajčiak’s journey to the global competition began with the title of “scientific talent SAV,” awarded by the Slovak Academy of Sciences at the 2025 AMAVET Festival of Science and Technology (FVAT). He subsequently advanced to the United States as a national winner of the FVAT AMAVET.

The project was developed under the professional guidance of Ján Vachálek from the Slovak University of Technology in Bratislava. Vachálek assisted the student in aligning the project’s technical direction, bridging theoretical knowledge with practical development, and preparing the presentation for the international jury.

Expert Insight: The fact that high school projects are now reaching a level of sophistication comparable to doctoral work suggests a shift in early STEM education. When students can bridge the gap between theory and a functional, cost-effective prototype, it accelerates the timeline for potential commercial innovation.

Future Potential and Implications

Ján Vachálek noted that the professional level of projects winning at prestigious competitions like Regeneron ISEF is exceptionally high. He stated that such work often approaches the level of a doctoral thesis.

Because of this depth, these projects could naturally evolve into professional publications or patent solutions. There is a possibility that this specific research may lead to further study with real innovation potential in the field of microscopic imaging.

Frequently Asked Questions

What is the primary function of Filip Lajčiak’s project?

The project is a stereovision 3D scanning system that uses two images from different angles to calculate the spatial structure of microscopic samples and create a digital 3D model.

Frequently Asked Questions
Filip Lajčiak ISEF winner

Who provided professional guidance for the project?

The project was developed under the guidance of Ján Vachálek from the Slovak University of Technology in Bratislava.

What previous honors did Filip Lajčiak receive before competing in the USA?

He was awarded the title of “scientific talent SAV” by the Slovak Academy of Sciences at the 2025 AMAVET Festival of Science and Technology (FVAT) and competed as a national winner of FVAT AMAVET.

Do you believe more accessible, low-cost scientific tools are the key to increasing global research participation?

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