Love Letters 月曆 by Yefan Liu and Zilan Zhou

Love Letters 月曆 by Yefan Liu and Zilan Zhou is a highly esteemed winner of the very prestigious 2026 A' Design Award 鐵獎 in 社會設計 Competition Category.

鐵社會· 2026

Love Letters 月曆

by Yefan Liu and Zilan Zhou

Client: Yezi Designs

A' Design Award 鐵獎 Winner in 社會 Category

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Colors

The Design

About Love Letters 月曆

Love Letters（情書）係一個將日常生活同生物多樣性意識連繫起嚟嘅月曆設計。十二張卡片每一張都載住一封嚟自瀕危物種嘅信，邀請使用者反思、作出個人承諾同標記重要日子。每張卡片毋須裝訂就可以摺成自立結構，之後仲可以放入紙信封郵寄或者收藏。整套產品採用FSC認證嘅非塗佈紙柯式印刷，收納喺抽屜式紙盒入面，紙盒可以循環再用，作為紀念品或者教學工具。

The Recognition

About the A' Design Award 鐵獎

Love Letters 月曆是 A' Design Award 鐵獎得主，這是授予滿足人們對設計精良的創作所期待的專業與工業要求的優良設計的聲望認可。鐵獎得主展現出其創作者的高超技藝、高度專業化、專家級的理解力和創造能力。預計Love Letters 月曆將成為一件備受推崇、令人欽佩且被珍愛的創作，既實用又創新。這件贏得 A' Design Award 鐵獎的設計整合了行業最佳實踐，並擁有與專業知識和才華相結合的稱職技術特性。Love Letters 月曆因其嚴謹而受到尊重，旨在提供有助於讓世界變得更美好的生活品質改善。

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: This project reimagines the calendar as a tool for emotional storytelling and environmental action. Each month features a letter from an endangered species, inviting reflection, personal pledges, and meaningful dates. The foldable card becomes both calendar and time capsule, using ritual, empathy, and biodegradable materials to turn awareness into active care, a purpose led experience connecting biodiversity loss to daily life.
Dimensions & Packaging: The finished product measures 110 mm × 230 mm × 40 mm. The calendar set includes 12 illustrated calendar cards, 12 paper envelopes, and a calendar storage box. The cards are designed to be folded into a self standing three dimensional structure without additional binding. After use, each card can be placed into its corresponding envelope for mailing or archiving. The complete set is housed in a paper based calendar box suitable for storage and distribution.
Tags: Emotional calendar, Eco conscious design, Endangered animals, Interactive daily ritual, Foldable cards, User engagement, Mailable cards, Educational gift, Modular structure
Production Technology: The calendar is produced using FSC certified uncoated paper with high opacity to enhance durability and color accuracy. Offset printing is applied for production, combined with spot color control to ensure consistent tones across animal illustrations in different batches. Multiple rounds of prototyping and user testing were conducted to optimize the calendar’s size, thickness, and interaction details for daily use.
Design Challenge: The main challenge was integrating a daily use object with abstract concepts to encourage genuine user engagement. This required designing a full interaction flow, from using the calendar, writing messages, to mailing actions, and adding playful, foldable features to the calendar cards. Constraints included production feasibility, material limits, and balancing usability with emotional and eco conscious objectives.
Research: Type of research: iterative design and user centered study. Objectives: to create an engaging, emotionally meaningful calendar. Methodology: multiple prototyping rounds and user testing. Tools: physical prototypes and feedback sessions. Participants: 15 users evaluated interaction and usability. Results: optimized foldable structure, size, and display clarity. Insights: users valued emotional engagement and eco consciousness. Impact: informs sustainable, interactive product design for daily life.
Inspiration: This project makes biodiversity loss personal and actionable by breaking it into monthly rituals, reflection, pledges, date marking, and small acts of care. Drawer style box and red envelopes create a sense of reveal, while foldable calendar cards combine animal storytelling with practical use. Guided prompts turn awareness into everyday action, embedding ecological urgency into time based rituals.
Project Duration: The project started in March 2025 in Georgia and Michigan, USA, and completed prototype testing and design refinements by September 2025. Since then, it has been in ongoing serial production, ensuring quality, consistency, and readiness for distribution.
Operation Flow: Most calendars function as tools, this one is designed as a relationship. The project bridges personal ritual and planetary care through a system that encourages reflection, action, and emotional continuity. Love Letters transforms a calendar into a twelve month exchange between users and endangered animals, packaging empathy and awareness through monthly interaction. The drawer style outer box symbolizes preservation and is designed for second life use as a keepsake or educational object.
Patents: Copyrights belong to Yefan Liu and Zilan Zhou, 2026
Team Members: Yefan Liu
Zilan Zhou
Jiayi Chen
Kangwen Shi
Image Credits: #Main Image: Photographer Yefan Liu, A Calendar of Love Letters, 2025.
#Image 1: Photographer Yefan Liu, A Calendar of Love Letters, 2025.
#Image 2: Photographer Yefan Liu, A Calendar of Love Letters, 2025.
#Image 3: Photographer Yefan Liu, A Calendar of Love Letters, 2025.
#Image 4: Photographer Yefan Liu, A Calendar of Love Letters, 2025.