KnobSlider business card

This is my 3D printed business card and a mini souvenir for KnobSlider, a shape-changing device for a knob and a slider.

A short description of KnobSlider: https://www.hyunyoung.kim/chi-18-knobslider
How to build KnobSlider: https://www.instructables.com/id/KnobSlider-a-Shape-Changing-Interface-for-Knob-and/