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File No. OS-001 In Progress Updated 2026-03-21

Great Writer Series | DM-01 900 × 400 mm In Stock

Great Writer Series ｜ Desk Mat

221B Codebook Desk Mat

A detective-style desk mat arranged like a coded case file: clues, notes, room numbers, and quiet Victorian tension across the desk.

Design Story

The 221B Codebook turns deduction into a working surface. Paper clues, cipher marks, marginalia, and old case-file rhythm keep the desk sharp without becoming noisy.

→ Designed as the desk-sized edition of the same world

Material

Premium mutispandex fabric + natural rubber

Size

900 × 400 × 4 mm

Process

Heat transfer print + stitched edge

Thickness

4 mm

View Details →

Ships after order confirmation | Domestic and international shipping

Close-up Details

Full Pattern

Surface Detail

Edge Stitching

Technical Specs

Technical Specifications

Product Name	221B Codebook Desk Mat
Series	Great Writer Series
Material	Premium mutispandex fabric + natural rubber
Size	900 × 400 × 4 mm
Thickness	4 mm
Process	Heat transfer print + stitched edge
Surface	Fine-textured mutispandex surface, natural rubber base
Usage	Desk setup / typing / creative work
Cleaning	Wipe gently with a damp cloth; avoid machine wash