Project background:
With the popularity of smart phones, it has become a common phenomenon for students to take photos and record wrong questions. However, it is difficult to organize the pictures after taking photos into wrong problem sets, in order to meet the needs of students to quickly organize wrong problems. This device can directly erase the answer after taking photos and print out the topic. The printing paper is made of heat-sensitive material and comes with adhesive. Students can directly write and rewrite the correct answer after printing, saving a lot of finishing time for students.

User requirements:
The student population has unique needs for the appearance and function of the product. They hope that the product appearance is simple, has the personality, can be integrated into the learning and living environment. At the same time, the operation should be simple and easy to understand, convenient for daily use.

Product Strategy:
In order to meet the needs of users, we decided to adopt a simple and round design, giving the product a sense of intimacy. Color, choose the classic black and white collocation. Functionally, we introduce thermal printing technology to ensure that the printed topics are clear and easy to read.

Solution:
In terms of product modeling, we draw on the concept of roll paper to make it closer to students' study and life. The heat-sensitive paper discharge method adopts pictographic design, which not only increases the interest of the product, but also is convenient for users to use. In addition, the appearance can be DIY customized silk screen European classic architectural drawings, so that each appearance is full of artistic and cultural atmosphere.