This is a horizontal layout concrete material based on Japanese standard panel size (1800×900mm), featuring six regularly spaced tie hole marks. Clean joints and subtle surface variation make it suitable for modern architecture, interior walls, or visualizations inspired by Japanese minimalism.This is a horizontal layout concrete material based on Japanese standard panel size (1800×900mm), featuring six regularly spaced tie hole marks. Clean joints and subtle surface variation make it suitable for modern architecture, interior walls, or visualizations inspired by Japanese minimalism.