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en:authors:fukuda-kazu:fw190-d9:appendix:japanese-tools

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Appendix: Japanese Tools & Techniques (For Solid Modeling)

Japanese woodworking tools have evolved in a uniquely independent tradition, refined through centuries of hand craftsmanship. Unlike Western tools, they emphasize pull-stroke operation, allowing delicate, highly controlled cuts with minimal force. This same sensibility shapes the craft of solid modeling, which in Japan often uses ho-no-ki (Japanese magnolia)—a fine, even-grained native wood ideal for precise shaping and smooth finishing. Detailed descriptions of many tools and materials are available on Wikipedia, and relevant links are provided where applicable.

1. Overview & Rationale

Pull-stroke paradigm and low-force control for fine-scale work
Quiet operation and clean kerfs ideal for thin sections
Integration of traditional hand tools with modern model-making methods

2. Saws (Nokogiri)

Japanese saw
Ryoba / Dozuki / Kataba — applications, tooth pitch, replaceable blades

Controlled slitting and thin sheet cutting using pull-stroke technique

3. Planes (Kanna)

Japanese plane
Miniature kanna, dai tuning, ultra-thin shavings, and sen scraper use
Creating smooth curves, fillets, and fair surfaces on ho-no-ki

4. Chisels & Knives

Japanese chisel
Laminated chisels (uradashi/uraba) and kiridashi utility knives
Fine openings, countersinks, and pipe-seating work
Japanese chisels and carving knives maintain a balance between hardness and resilience through differential steel lamination

5. Marking & Measuring

Kebiki (single/double) marking gauges for grain-respectful scoring
Sashigane (Japanese square), and notes on JIS vs FEPA/CAMI grit systems

6. Rasps & Files

Shinto saw rasps and Japanese yasuri patterns for controlled material removal
Ideal for ho-no-ki, which responds well to gentle, even abrasion

7. Sharpening & Maintenance

Waterstones (#1000/#3000/#8000), nagura use, and flattening procedures
Recommended bevel angles: ho-no-ki 25–30°
Camellia oil for rust prevention and finish protection

8. Adhesives & Finishing Notes

Cyanoacrylate viscosities and historical note on hide glue Mr. Surfacer primers and two-layer tape masking practice

9. JP-Style Starter Kit

Dozuki (0.3–0.4 mm), kiridashi knife, kebiki, shinto rasp, pin vise, waterstones, diamond lapping plate, camellia oil, 3–6 mm chisels

10. Safety & Ergonomics

Stable stance for pull-cuts; safe clamping and chip control

Appendix: Quick Tables

Material Bevel Angle
Ho-no-ki (Japanese magnolia) 25–30°
Grit (JIS) FEPA (P) CAMI (US)
#1000 P1000 ~600–700
#3000 P2500 ~1200
#8000 ~3000–4000

Prepared for the Fw190-D9 (1:50) English edition. This appendix highlights the distinctive craftsmanship of Japanese woodworking culture, where the same spirit that shaped *nokogiri*, *kanna*, and *nomi* continues to inspire solid model building today.

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