AI-mediated hybrid birthday ritual transforming digital reflection
into a physical keepsake
Digital & Interaction Design
Politecnico di Milano- Hardware and Software Technologies for Design Course - 2024
Role: Individual Project – End-to-End (Concept, UX/UI, Physical Prototype, Testing)
AI-mediated hybrid birthday ritual transforming digital reflection
into a physical keepsake
Digital & Interaction Design
Politecnico di Milano- Hardware and Software Technologies for Design Course - 2024
Individual Project – End-to-End (Concept, UX/UI, Physical Prototype, Testing)
Rethinking Birthday Experiences for a Digital Generation
Birthdays mark a personal transition, yet within university life, they often pass quietly.
PoliBirthday transforms this moment into a one-day-only hybrid ritual, offering students a personalized message and a physical celebration that strengthens their sense of belonging to the Polimi community.
The experience unfolds as a short but intentional sequence:
question → intention → AI-generated message → physical experience
Rethinking Birthday Experiences for a Digital Generation
Birthdays mark a personal transition, yet within university life, they often pass quietly.
PoliBirthday transforms this moment into a one-day-only hybrid ritual, offering students a personalized message and a physical celebration that strengthens their sense of belonging to the Polimi community.
The experience unfolds as a short but intentional sequence:
question → intention → AI-generated message → physical experience
Video of the project
How might we design a time-bound digital experience that turns a single day into a lasting emotional memory?
Video of the project
How might we design a time-bound digital experience that turns a single day into a lasting emotional memory?
Video of the project
How might we design a time-bound digital experience that turns a single day into a lasting emotional memory?
Experience Pillars
Temporal design
Available only on the user’s birthday — making the moment exclusive and memorable.
AI personalization
The message is generated from the user’s own intention for the year ahead.
Hidden digital layer
The final message is not shown on-screen — it is revealed physically.
Physical reward
A printed keepsake the student can keep long-term.
Performative interaction
Sound/light + balloon release turns the pickup into a mini-ritual.
Emotional memory artifact
A tangible reminder tied to identity, not just an app screen.
Hybrid synchronization
Digital and physical feedback happen as one coordinated experience.
Experience Pillars
Temporal design
Available only on the user’s birthday — making the moment exclusive and memorable.
AI personalization
The message is generated from the user’s own intention for the year ahead.
Hidden digital layer
The final message is not shown on-screen — it is revealed physically.
Physical reward
A printed keepsake the student can keep long-term.
Performative interaction
Sound/light + balloon release turns the pickup into a mini-ritual.
Emotional memory artifact
A tangible reminder tied to identity, not just an app screen.
Hybrid synchronization
Digital and physical feedback happen as one coordinated experience.
Interaction Flow
1. Birthday unlock
App becomes accessible only on the birthday.
2. AI prompt
“What do you wish to achieve this year?”
3. Invisible personalization
Message is generated but kept hidden.
4. Physical reveal
At the device: music + light + message printing.
5. Celebration moment
Balloon release + synced in-app animation.
Interaction Flow
1. Birthday unlock
App becomes accessible only on the birthday.
2. AI prompt
“What do you wish to achieve this year?”
3. Invisible personalization
Message is generated but kept hidden.
4. Physical reveal
At the device: music + light + message printing.
5. Celebration moment
Balloon release + synced in-app animation.
How it works: A phygital system
The app initiates the experience through a birthday confirmation and a reflective AI prompt.
After authentication via Policard, the physical installation activates.
Sound, light, and real-time printing transform the moment into a tangible celebration.
The final interaction — pressing a button to release a balloon — completes the ritual and synchronizes digital and physical space.
App → AI prompt → message generation → device trigger → print + light + sound → balloon release
How it works: A phygital system
The app initiates the experience through a birthday confirmation and a reflective AI prompt. After authentication via Policard, the physical installation activates.
Sound, light, and real-time printing transform the moment into a tangible celebration.
The final interaction — pressing a button to release a balloon — completes the ritual and synchronizes digital and physical space.
App → AI prompt → message generation → device trigger → print + light + sound → balloon release
Prototype Development
Synchronizing app trigger and physical activation without delay.
Ensuring reliable real-time printing during repeated tests.
Managing light and sound timing to preserve the ritual’s emotional impact.
Refining the balloon mechanism for a smooth and safe release.
Hybrid experiences are fragile by nature — the magic depends on precise synchronization.
Prototype Development
Synchronizing app trigger and physical activation without delay.
Ensuring reliable real-time printing during repeated tests.
Managing light and sound timing to preserve the ritual’s emotional impact.
Refining the balloon mechanism for a smooth and safe release.
Hybrid experiences are fragile by nature — the magic depends on precise synchronization.
User Validation
Early prototype test prints were shared publicly and generated multiple inquiries from students asking how to access the experience on their birthday — indicating emotional resonance and potential adoption within the community.
User Validation
Early prototype test prints were shared publicly and generated multiple inquiries from students asking how to access the experience on their birthday — indicating emotional resonance and potential adoption within the community.
Reflection
This project deepened my understanding of temporal design, emotional anticipation, and ritual choreography in UX. It highlighted how hybrid experiences rely on precise synchronization to transform technical systems into meaningful moments.
Reflection
This project deepened my understanding of temporal design, emotional anticipation, and ritual choreography in UX. It highlighted how hybrid experiences rely on precise synchronization to transform technical systems into meaningful moments.