Research: 3D printing, Computational Thinking, AR
Erasmus+ technical project lead — Fullstack
Teaching in mathematics teacher education
IPC & committee work
Self-hosting & deployment on VPS / Docker
→ Tech Portfolio
Academic Background
- 2015 – Abitur (German high-school diploma; advanced courses in German & Chemistry), Kurt-Schumacher-Schule Karben, grade 2.1
- 2021 – First State Examination (Physics/Computer Science for secondary school teacher training), Goethe University Frankfurt, grade 1.8
- Since 2021 – Research associate and PhD candidate in mathematics didactics, MATIS-1 research group (Prof. Dr. Matthias Ludwig), Goethe University Frankfurt am Main
Project Work
- <colette/> – Technical Lead since 10/21 – Fullstack (LAMP, Angular, PHP, MySQL), Erasmus+ project, awarded "Gütesiegel Lernapps" Austria
- MCM – Technical Lead since 11/25 – Fullstack (LAMP, AngularJS, Media Server, S3), Erasmus+ Project "Matrix", awarded "Gütesiegel Lernapps" Austria
- Dimension – Technical Lead – Fullstack (LAMP, Angular, Fusionauth, Media Server, S3), Erasmus+ Project "Dim2ension"
Skills
Detailed breakdown in the tech portfolio.
Software, Hosting, and Software Development
- Technical leadership in Erasmus+ educational projects (colette, MCM, Dimension)
- Frontend development with Angular and AngularJS
- REST backend development with PHP 7 + 8; NestJS
- Lumen backend with Docker; API testing with Postman/Bruno
- Linux server infrastructure: Apache with SSL via certbot/Let's Encrypt, Cron, DNS records for subdomains
- Python: Research data analysis, diagrams, transcription with Whisper/OpenAI, proxy for Languagetool/TeXStudio
- Hosting own applications on Linux VPS with Docker and Apache: Kavita, Tandoor, Rocket.Chat (until 07/24)
- Hosting of viking-axe-warriors.de (sports club website)
- Administration of a private Nextcloud (Manitu until 2024, Hetzner managed since 2024)
- Administration of a research-group managed Nextcloud (since 04/25)
Research
- 3D printing in education
- Computational Thinking in mathematics education
- Algorithms in mathematics teaching
- Augmented Reality in education
- Qualitative content analysis
- Questionnaire design; guided interviews
- Cohen's and Moon's Kappa for inter-rater reliability
Teaching
- WiSe 21/22: "Math Teaching with New Technologies" (with M. Ludwig & M. Schubert); "Programming Languages in CS Education"
- SoSe 22: "Creating Teaching Materials with 3D Printing" (with M. Ludwig); "Didactics of Geometry L2/L5" (with S. Jablonski & M. Ludwig)
- WiSe 22/23: "Creating Teaching Materials with 3D Printing"
- SoSe 23: "Creating Manipulatives with 3D Printing"; 3 research lesson series on 3D printing (grades 4, 7, 8)
- WiSe 23: "Creating Manipulatives with 3D Printing"; "Didactics of Geometry L2/L5" (with M. Ludwig & S. Wetzel)
- SoSe 24: "Creating Manipulatives with 3D Printing"
- WiSe 24/25: "Creating Manipulatives with 3D Printing"
- SoSe 2025: "Didactics of Geometry" (L3, with Prof. Dr. Ludwig)
- WiSe 25/26: "Didactics of Algebra" (with Gogesch & Prof. Dr. Ludwig)
- SoSe 26: "Math Teaching with New Technologies"
Publications
- Dengel, A., Auer, A., Urlbauer, P., & Läufer, T. (2022). Game-Based Teaching of Basic Hardware Components With VR. ACM ITiCSE.
- Dengel, A., Läufer, T., & Gehrlein, R. (2023). The Engaging Computer Science Education Laboratory. ACM SIGCSE.
- Läufer, T., & Ludwig, M. (2023). Bringing 3D Printing into Student Teachers’ Mathematics Education. ROSEDA.
- Schmidthaler, E., Läufer, T., & Ludwig, M. (2023). Computational Thinking Tasks in <colette/>. CSEDU.
- Staeter, R. S., Läufer, T., & Ludwig, M. (2023). How <colette/> Facilitates Teaching Computational Thinking. ROSEDA.
- Läufer, T., & Ludwig, M. (2023). Building knowledge by creating manipulatives with the 3D printer. HEAd’23.
- Läufer, T., Stäter, R. S., & Ludwig, M. (2024). Fostering algorithmic thinking in mathematics education with AR. Springer.
- Jablonski, S., Läufer, T., & Ludwig, M. (2023). Make it real: Student teachers’ professional development. CERME13.
- Jablonski, S., Cahyono, A. N. & Läufer, T. (2024). AR vs. 3D printing technologies—A comparison. MEDA4.
- Läufer, T., Ludwig, M. (2024). 3D-Druck in der Mathematiklehramtsbildung. GDM 2024.
Committee Work
- Student member of the appointment committee for Computer Science Didactics (2022)
- Member of the Directorate of the Institute for Didactics of Mathematics and Computer Science since 06/23
- Member of the appointment committee for Mathematics Didactics (Primary Level, 2024–2025), withdrew before trial lectures due to conflict of interest
- Member of the International Program Committee CERME15 (2027)
- Member of the International Program Committee Pre-CERME15 Event
- Member of the International Program Committee GAMEII (Game-based and Playful Approaches to Mathematics Education)
Third-Party Funding
- "3D Printers in Mathematics Teacher Education" (06/23 – 01/26), Dr. Hans-Messer Foundation, €167,190
- "FabMath" Erasmus+ Strategic Partnership (10/25 – 10/28), participation as partner; total volume €400,000
- QuiS_kiwi "KOMPASS-12" (Goethe University, Department 12), €61,960
- Conference funding CERME 2023: €500
- Erasmus+ Staff Mobility: 09/24 Halden, €1355; 01/25 Oslo, €849
- Conference funding GDM 2025: €1000
- Total third-party funding acquired: €632,854
Conferences and Meetings
- 08/22 YESS, Linz, Austria
- 08/22 GDM, Frankfurt, Germany
- 09/22 Symposium VR/AR in mathematics education, Siegen, online
- 02/23 ROSEDA, Porto, Portugal
- 05/23 Networking Conference Uni Siegen, Germany
- 06/23 HEAd, Valencia, Spain
- 07/23 CERME13, Budapest, Hungary
- 03/24 MNU Jena
- 03/24 GDM Essen
- 05/24 EdTech Summit Salzburg
- 07/24 ICME Sydney
- 02/25 CERME14
- 03/25 GDM Saarbrücken
- 02/26 GDM Wuppertal
Participation in Project Meetings
- 06/21 – Annual Meeting <colette/>, digital
- 11/21 – technical Meeting <colette/>, digital
- 05/22 – Annual Meeting <colette/>, Lyon
- 08/23 – Annual Meeting <colette/>, Frankfurt
- 01/25 – Erasmus+ Preparational Meeting "FabMath", Oslo
- 05/25 – Annual Meeting Matrix, Linz
- 06/25 – Annual Meeting Dimension, Rhodes
- 05/26 – Annual Meeting Matrix, Sevilla (online)
Exhibitions, Teacher Training, and Workshops
Exhibitions
- 08/22 MCM GDM 2022
- 09/23 MCM/Asymptote/colette State Specialist Day "Media and Education" Hesse
- 11/23 MCM/Asymptote/colette Goethe University Networking Conference; GU @ Games
- 03/24 MCM/Asymptote/colette at the MNU Federal Congress 2024, Jena
- 09/25 Booth at the Polytechnical Society Foundation Anniversary (3D Printing & MATIS-1 Projects)
Teacher Training and Workshops
- 11/21 Workshop: Virtual Drone with AR in <colette/> at HRPI Annual Conference
- 02/23 Teacher Training: "Bringing 3D Printing to Schools" at Georg-Büchner-Gymnasium Flörsheim
- 03/23 Lecture on MathCityMap at the Mathematics Day, Frankfurt School of Finance
- 11/23 Workshop: "Experiencing Mathematics Outdoors with MathCityMap" at DPFA-Regenbogen-Gymnasium Augustusburg
- 03/25 Lecture "Creating 3D Models with TinkerCAD in Schools" at digi@school 2025
- 03/25 Lecture "Outdoor Learning Fun: Mathematics with MathCityMap" at digi@school 2025
- Workshops on 3D Printing at the Digitechnikum (10/22, 10/23, 10/24, 10/25)
Lectures
- 03/24: MNU Federal Congress Jena: "3D Printing in Math Education" (with S. Jablonski & M. Ludwig)
- 09/24: MCM at Høgskolen I Østfold, Halden, Norway: "Math Trails – Mobile Learning Outside the Classroom with MathCityMap"
- 09/24: PhD study talk at Høgskolen i Østfold, Halden, Norway, for the Informatics/Teacher-Education research group: "3D-modelling and printing in teacher education"
- 11/25 & 04/26: University of Rostock (digital): "3D Printing with potentially gifted students" (with S. Jablonski)
Miscellaneous
- 10/23–05/24 – Organization of Social Events for CompuMath
- 10/22, 10/23, 10/24 – Doctoral Colloquium GRADE-Center CompuMath
- Since 06/23 Volunteer at Frankfurt City Library (incl. Kreativschmelze – Robotics & Coding)
- 09/23–11/23 Project "Bridges with the 3D Printer"
- Organization and assignment of advanced-seminar registrations (09/22, 03/23, 09/23, 03/24, 09/24, 03/25, 09/25, 02/26), incl. development of the assignment tool
- Since 2022 Member of the Society for Didactics of Mathematics
- Hiring and Supervision of Student Assistants
Qualifications
- 02/23: "Creating Objects for Teaching and Schools: Finding, Modifying, and Preparing 3D Models for Printing" (Hessian Teacher Academy)
- 03/24: "Science Communication" (eLearning Certificate, studiumdigitale/Goethe University)
- 04/24: "Tools for Creating Digital Learning Content" (eLearning Certificate, studiumdigitale/Goethe University)
- 07/24: "Digital Learning Media" (eLearning Certificate, studiumdigitale/Goethe University)
Supervision of Student Work
- Scientific Papers/Master's Theses:
- Analysis of Student Processes in 3D Printing 2023 (Second Reviewer)
- Gender Differences in Representations in Math Textbooks 2025
