

GC1-01
Wood
Vibration



Variations


GC1-01
Wood
Vibration


GC1-02
Mirror


GC1-03
Punching
Vibration


GC1-04
Vibration
Caster
Specification
| MODEL | WEIGHT |
|---|---|
| GC1-01 | 11 kg |
| GC1-02 | 9.5 kg |
| GC1-03 | 10 kg |
| GC1-04 | 9 kg |
| SIZE | W530 × D480 × H750 mm / seat height 450 mm |
|---|---|
| LEAD TIME | Made to order, approx. 3 months |
| PRICE | On request, by specification and quantity |
| DESIGN | Shota Nemoto + Ko Numano |
Gallery







Award & Exhibition
Designer
Creative Director
根本 昌汰
Born in Tokyo in 1992. Graduated from the Department of Architecture, Tokyo University of Science in 2015, and completed the master’s course in architecture at Tokyo Institute of Technology in 2019. In 2017 he worked at Pezo von Ellrichshausen in Chile on house and art projects. He founded Shota Nemoto Architects in 2019 and mast Inc. in 2022, working continuously from the architecture through to the furniture placed within it.
Designer
沼野 航
After graduating from the Department of Industrial Art, Faculty of System Design at Tokyo Metropolitan University, he worked at DDAA Inc., and later founded Pond Design Laboratory in 2025. Guided by the belief that small interventions and thoughtful ideas can create moments of surprise, emotional resonance and attachment, he works across diverse design disciplines. His book “Tokyo Dead Space 100” received the Excellence Award at the GOOD DESIGN NEW HOPE AWARD 2024.
Company Profile
PROTOPORT is a harbour for prototypes designed for a single project. Furniture made only once is refined into a product with the workshops that build it, and delivered made to order. TRAIN CHAIR is its first.
mast Inc., first-class registered architect office
3-14-13 Shinkamata, Ota-ku, Tokyo, Japan / Representative Director: Shota Nemoto
Request a Quote
Made to order. Tell us the model and quantity and we will send a quote — from a single chair.