TP is a refillable ballpen wrapped in an all-metal triangle body that revolutionizes the way you write.
Geometry and symmetry were the key elements of the design. The tool owns an irregular design composed of a ‘trixagonal’— a combination of triangle and hexagon—tube that wraps around the body. The avant-garde trixagonal cap is a visual pleasure, at the same time gives you a new perspective to feel connected to your heart while your ideas flow through your veins down to the tip of the ballpen.
Every part of TP is machined from a solid block of aluminum, its functional cap provides dual-scale measurement and two-way-grip of the pen:one can hold it without the cap–an 8.85mm barrel that is smooth and light, or with the cap on
https://www.kickstarter.com/projects/yuandesignstudio/tp-reform-of-the-writing-tool?ref=6fmfau