How 3D Printing Technology Raises Interest in STEAM Education: Evidence from the Erasmus+ D-STEAM Careers Project

Abstract

Interest and achievement in Science, Technology, Engineering, Arts, and Mathematics (STEAM) remain a challenge across many European educational systems despite the increasing demand for a workforce equipped with digital, technological, and problem-solving skills. The Erasmus+ D-STEAM Careers project (2024-1-RO01-KA220-SCH-000251572) was developed to address this challenge by integrating 3D design and printing technologies into STEAM education. This study investigates teachers' perceptions of the educational value of 3D printing and examines the impact of professional development activities on teachers' readiness to implement STEAM-based learning. A mixed-methods research design was employed, combining data from an internal teacher survey conducted among project partners, an external survey involving 37 teachers, and pre-test/post-test evaluations from an international staff training programme. The findings indicate that educators perceive 3D printing as an effective tool for enhancing student motivation, creativity, interdisciplinary learning, and career readiness. Participants emphasized the value of transforming abstract concepts into tangible learning experiences and reported increased confidence in integrating STEAM methodologies following training. Knowledge assessments demonstrated substantial learning gains, while self-confidence measures showed improvements across all competence areas. Despite barriers related to infrastructure, funding, and teacher expertise, the study suggests that 3D printing represents a promising strategy for supporting digital transformation and strengthening student engagement in STEAM education.

Keywords: STEAM education, 3D printing, educational technology, interdisciplinary learning, digital transformation, teacher professional development, career readiness

1. Introduction

The rapid advancement of technology and digital transformation has fundamentally altered the competencies required in contemporary society and the labour market. Educational systems are increasingly expected to equip learners with skills such as creativity, critical thinking, collaboration, communication, and problem-solving, collectively referred to as 21st-century skills. Consequently, Science, Technology, Engineering, Arts, and Mathematics (STEAM) education has emerged as a key educational approach for preparing students to address complex real-world challenges.

Research has demonstrated that STEM-related competencies contribute significantly to innovation, economic growth, and productivity (Carnevale & Smith, 2011). Nevertheless, recent OECD reports indicate declining student interest and insufficient achievement in STEM-related subjects in several European countries (OECD, 2022). These findings have intensified efforts to identify innovative teaching approaches capable of increasing student engagement and fostering positive attitudes toward STEAM disciplines.

One emerging technology with considerable educational potential is three-dimensional (3D) printing. By enabling learners to transform digital designs into physical objects, 3D printing provides opportunities for experiential learning, design thinking, and interdisciplinary problem-solving. The technology aligns closely with constructivist learning theories, which emphasize active participation and knowledge construction through meaningful experiences.

The Erasmus+ D-STEAM Careers project was developed to promote interest in STEAM education through the integration of 3D design and printing technologies. In addition to enhancing student engagement, the project aims to support teachers' digital competences and facilitate educational innovation across European schools.

The present study addresses the following research question:

How does 3D printing technology contribute to increasing interest, engagement, and participation in STEAM education?

2. Literature Review

STEAM education represents an evolution of traditional STEM education by incorporating artistic and creative dimensions into scientific and technological learning processes. The integration of arts into STEM has been shown to promote innovation, creativity, and holistic problem-solving while fostering connections between disciplines (Yakman, 2008).

Within STEAM contexts, project-based and experiential learning approaches are frequently employed to increase student engagement and facilitate authentic learning experiences. Research suggests that students are more motivated when they participate in activities that involve designing, creating, and testing solutions to real-world problems (Becker & Park, 2011).

3D printing has emerged as a valuable educational technology due to its capacity to support experiential and inquiry-based learning. Previous studies have reported that 3D printing improves spatial reasoning, design thinking, engineering skills, and technological literacy (Ford & Minshall, 2019). Moreover, the technology allows learners to visualize abstract concepts, thereby enhancing understanding in mathematics, science, and engineering education.

Despite these benefits, researchers have also identified barriers to implementation, including limited access to equipment, insufficient teacher training, financial constraints, and lack of curricular integration (Novak & Wisdom, 2018). Consequently, professional development initiatives are considered essential for enabling educators to effectively integrate 3D printing within STEAM learning environments.

3. Methodology

3.1 Research Design

This study employed a mixed-methods design combining quantitative and qualitative data sources. The use of multiple data collection methods allowed for triangulation of findings and provided a comprehensive understanding of teachers' perceptions regarding 3D printing and STEAM education.

3.2 Participants

Three groups contributed to the study:

1. Teachers from the six D-STEAM Careers project partner organizations.
2. An external sample of 37 teachers from various educational institutions and disciplines.
3. Twenty educators who participated in the pre-test evaluation and seventeen educators who completed the post-test evaluation during the first international staff training activity organized in Türkiye.

Participants represented a variety of subject areas, including mathematics, science, technology, vocational education, arts, and languages.

3.3 Data Collection Instruments

Three complementary instruments were used:

Internal Teacher Survey

The survey explored teachers' understanding of STEAM education, previous experiences, perceptions of 3D printing, expected student outcomes, implementation challenges, and future intentions.

External Teacher Survey

The external survey examined teachers' views regarding the educational value of 3D printing, perceived benefits, implementation barriers, and professional development needs.

Pre-Test/Post-Test Evaluation

The training evaluation assessed participants' knowledge and self-confidence regarding:

• STEAM pedagogy;
• Technology integration;
• 3D printing;
• Artificial intelligence in education;
• Hands-on learning methodologies.

3.4 Data Analysis

Quantitative data were analyzed using descriptive statistics, while qualitative responses were examined through thematic analysis. Recurring themes, patterns, and representative quotations were identified and categorized.

4. Results

4.1 Perceptions of STEAM Education

Teachers demonstrated a strong understanding of STEAM as an interdisciplinary educational approach that combines scientific, technological, engineering, artistic, and mathematical knowledge to address authentic problems. Respondents consistently emphasized collaboration, creativity, critical thinking, and real-world relevance as defining characteristics of STEAM education.

Several participants reported that interdisciplinary activities increased student engagement and enabled learners to establish meaningful connections between theoretical concepts and practical applications.

4.2 Educational Benefits of 3D Printing

Analysis of both internal and external survey data revealed four dominant themes regarding the educational benefits of 3D printing.

Tangible Learning Experiences

Teachers frequently highlighted the ability of 3D printing to transform abstract concepts into concrete representations. Participants reported that students gain a deeper understanding of mathematical, scientific, and engineering principles when they can physically manipulate and test their creations.

Creativity and Innovation

Respondents consistently identified creativity as one of the most significant benefits of 3D printing. The iterative process of designing, testing, modifying, and improving prototypes was perceived as fostering innovative thinking and problem-solving skills.

Student Motivation and Engagement

Teachers reported that students become more motivated when they can observe tangible outcomes of their efforts. The process of transforming digital designs into physical objects was considered particularly engaging and rewarding.

Interdisciplinary Learning

Participants emphasized that 3D printing naturally integrates multiple STEAM disciplines within a single activity. Students simultaneously apply technical, mathematical, artistic, and engineering skills while completing authentic projects.

4.3 Teachers' Perspectives: Opportunities and Challenges

Qualitative findings revealed overwhelmingly positive attitudes toward 3D printing.

Representative comments included:

"Creating what you want is a blessing."

"The possibility of turning designs into real objects."

"3D printing transforms abstract concepts into tangible creations, sparking curiosity and enthusiasm among students."

Teachers frequently linked 3D printing with future employability and career preparation, noting its relevance to engineering, technology, manufacturing, and design-related professions.

Nevertheless, respondents also identified several implementation challenges. The most frequently reported barriers included limited access to equipment, financial constraints, software complexity, lack of teacher expertise, and time limitations.

One participant stated:

"The first challenge will be the difficulty of using software. The second challenge will be the absence of 3D printers."

These findings suggest that institutional support and professional development remain critical factors for successful implementation.

4.4 Impact of the Staff Training Programme

4.4.1 Knowledge Assessment

The external evaluation demonstrated strong knowledge gains following participation in the international staff training programme.

In the pre-test, 95% of participants correctly identified STEAM as the integration of disciplines to solve real-world problems. Following the training, this increased to 100%. Understanding of 3D printing applications, STEAM integration strategies, artificial intelligence in education, and problem-based learning approaches also reached nearly universal accuracy among participants.

These findings indicate that the training programme effectively strengthened participants' conceptual understanding of innovative pedagogical approaches and emerging educational technologies.

4.4.2 Changes in Self-Confidence

Participants reported notable increases in self-confidence across all measured competence areas.

Competence Area

Pre-Test

Post-Test

Increase

Understanding STEAM pedagogy

4.10

4.59

+0.49

Technology integration

4.40

4.59

+0.19

Familiarity with 3D printing

3.75

4.35

+0.60

Using AI tools in teaching

4.10

4.47

+0.37

Designing hands-on learning activities

4.05

4.29

+0.24

The largest improvement occurred in familiarity with 3D printing technology (+0.60), suggesting that the training effectively addressed participants' technical knowledge gaps. Substantial increases were also observed in understanding STEAM pedagogy and confidence in using artificial intelligence tools within educational settings.

Overall, the results indicate that targeted professional development can significantly enhance teachers' readiness to implement innovative STEAM practices and emerging technologies in classroom contexts.

4.4.3 Qualitative Reflections

Qualitative reflections revealed a shift toward more student-centred and experiential teaching approaches. Following training, participants increasingly described 3D printing as a tool for promoting creativity, collaboration, and authentic problem-solving.

Many educators expressed intentions to incorporate project-based activities involving prototyping, design thinking, and interdisciplinary collaboration into their future teaching practice. These reflections suggest that the training not only increased knowledge and confidence but also influenced participants' pedagogical perspectives.

5. Discussion

The findings support existing literature suggesting that 3D printing enhances STEAM education by providing meaningful, experiential learning opportunities. Consistent with previous studies, participants perceived 3D printing as an effective mechanism for increasing engagement, supporting creativity, and fostering interdisciplinary learning.

The study also highlights the importance of teacher professional development. The substantial gains observed in both knowledge assessment and self-confidence measures demonstrate that educators become more willing and prepared to implement innovative technologies when provided with practical, hands-on learning opportunities. The particularly strong increase in familiarity with 3D printing suggests that targeted training can effectively address one of the most frequently cited barriers to implementation: lack of teacher expertise.

Importantly, teachers consistently connected 3D printing activities with career readiness. Participants viewed the technology as a means of developing transferable competencies that are increasingly demanded in contemporary labour markets, including creativity, collaboration, communication, and problem-solving.

At the same time, the findings confirm that access to resources remains a significant challenge. Without adequate infrastructure, equipment, and training opportunities, schools may struggle to fully realize the potential of 3D printing within STEAM education.

6. Implications for Practice

The findings suggest several implications for educational stakeholders:

1. Schools should invest in 3D printing technologies as part of broader digital transformation strategies.
2. Teacher training programmes should incorporate practical experiences with 3D design and printing.
3. Curriculum developers should integrate interdisciplinary STEAM projects involving prototyping and design thinking.
4. Policymakers should provide financial and institutional support to facilitate equitable access to emerging educational technologies.
5. Professional development initiatives should combine technical training with pedagogical guidance to support sustainable implementation of innovative teaching practices.

7. Limitations and Future Research

This study is subject to several limitations. First, the sample size was relatively small and focused primarily on educators involved in Erasmus+ project activities. Second, the findings rely largely on self-reported perceptions rather than direct measures of student achievement. Third, the post-test evaluation involved fewer participants than the pre-test assessment, which may limit the generalizability of the results.

Future research should investigate the long-term effects of 3D printing on student motivation, academic performance, creativity, and career aspirations through larger-scale and longitudinal studies. Additional research could also explore how different educational contexts and age groups influence the effectiveness of 3D printing-based STEAM learning interventions.

8. Conclusion

The results of this study indicate that 3D printing technology has substantial potential to increase interest and engagement in STEAM education. Teachers perceive the technology as an effective tool for enhancing creativity, problem-solving, interdisciplinary learning, and career readiness. Furthermore, the staff training programme produced measurable improvements in both knowledge and self-confidence, particularly regarding the use of 3D printing and innovative pedagogical approaches.

Professional development activities strengthen educators' confidence and capacity to implement student-centred, technology-enhanced teaching practices. Although challenges related to infrastructure, funding, and teacher preparedness remain, the findings suggest that 3D printing can play a significant role in supporting digital transformation and preparing students for future educational and professional opportunities.

References

Becker, K., & Park, K. (2011). Effects of Integrative Approaches among STEM Subjects on Students' Learning.

Carnevale, A. P., & Smith, N. (2011). STEM Workforce Development and Economic Growth.

Ford, S., & Minshall, T. (2019). Invited Review Article: Where and How 3D Printing is Used in Teaching and Education.

Novak, E., & Wisdom, S. (2018). Effects of 3D Printing Project-Based Learning on Student Engagement and Learning Outcomes.

OECD. (2022). PISA Results and Trends in STEM Education.

Yakman, G. (2008). STEAM Education: An Overview of Creating a Model of Integrative Education.

European Commission. Erasmus+ Programme Guide.

D-STEAM Careers Internal Teacher Survey (2025–2026).

D-STEAM Careers External Teacher Survey (N = 37 Teachers).

D-STEAM Careers Pre-Test and Post-Test Evaluation Report (Türkiye Staff Training, 2026).

This project has been co-funded with support from the European Commission. This publication [communication] reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.