Apr - may 2022

A device that facilitates contactless payments and helps users manage their expenses with a shrink and expand action, as demonstrated in the video below.

Another benefit of the product is the easier handling for users with motor dificulties, compared to small buttons in smartphones.

This project was my group submission to the Red Dot Design Concept. I was in charge of drawings and hardware design.


Yaekwon Lee, Leo Baek, Richard Fu, Sanghyuk Seo, Eduardo Mautner.

Design Process

Elements such as size, shape, and mechanism were thoroughly discussed and tested in order to achieve a product that is convenient to use and carry.

ideation sketching

Early models done using Shapr3D.
Experimentations of form and grip.

user sequence

instructional drawings