Hachi: AR learning cards

Augmented reality for classroom engagement: educators create AR lessons with interactive 3D models that students view through printable cards. A CLab Trento project in collaboration with HIT (Hub Innovazione Trentino).

Recognition: DigiEduHack 2021 Global Award winner, an initiative supported by the European Commission. Chosen among 228 submitted solutions and 12 finalists; the team received a €5,000 prize and the title of DigiEduHack Global Ambassador.

My contribution: member of the Hachi team; the individual role is not stated in the project material.

Fig. 1 The Hachi team at its stand.

1 From problem to team

**Table 1** Challenge, solution and go-to-market, as presented by the team
Topic	Summary
The problem	Traditional teaching methods are often limited in engaging students, which can reduce learning outcomes. Hachi uses augmented reality to create interactive, immersive learning experiences.
The solution	A platform where educators create AR-enhanced lessons with interactive 3D models, viewed through printable cards, to make complex subjects more accessible.
Competitive advantage	Affordability, customizability and ease of use; educators can work with designers on tailored content.
Market	Growing demand for innovative educational tools in EdTech, addressed with an AR solution designed for classroom engagement.
Business model	A two-sided platform connecting educators with AR designers who create custom content.
Roadmap	Launch AR content kits for schools in the Trentino region, then onboard more designers for diverse, personalized content.
Team	Skills in Flutter, AR development, product design and business analysis.

2 Gallery

Printable Hachi learning card with an AR marker, on a desk. — **Fig. 2** Printable learning card with an AR marker.

Hachi Action and Info learning cards on a desk. — **Fig. 3** Action and Info cards.

Hachi stand with posters, printed cards and the app running on a tablet. — **Fig. 4** Hachi stand: posters, printed learning cards and the app on a tablet.

Hachi cards with AR markers labelled Object and Action. — **Fig. 5** Object and Action cards with AR markers.

3 Technical details

**Table 2** Technical details
Area	Detail
Framework	Flutter, for cross-platform mobile development
AR toolkit	AR-ready Flutter packages for tracking and rendering
3D assets	3D models rendered on top of printable cards
Platforms	iOS and Android devices
Repository	App code, AR logic, sample assets and documentation

1 From problem to team

2 Gallery

3 Technical details

4 Resources