Free tools for scale modellers · No sign-up, nothing to install
Modeller's Workshop · 模型制作ツール

Build-bench tools, free to use.

Practical utilities for scale model builders — generate scale-accurate licence-plate decals, convert real measurements to any kit scale, and cross-reference paints. No account, no download.

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Licence Plate Decal Maker

Design a JDM, UK or EU number plate, choose your kit scale (1/12–1/43), and export a print-ready PNG for waterslide decal paper. Queue multiple plates onto one A4 sheet.

JDM plate UK plate EU plate waterslide decal 1/24 · 1/20
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Scale Size Calculator

Convert real-world dimensions to model size — or model measurements back to real scale. Common F1 car, driver and component reference sizes included for 1/8 through 1/43.

1/20 scale 1/24 size F1 car length model measurement
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Paint Cross-Reference

Cross-reference Tamiya and Mr.Color (GSI Creos) paints for common racing and automotive colours — Rosso Corsa, BRG, Marlboro red, bare metal, chrome and more.

Tamiya paint Mr.Color racing colours TS-8 / C3
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CMYK Colour Mixer

Blend cyan, magenta, yellow and black with sliders to mix any colour, preview it large, and instantly see the closest Tamiya and Mr.Color paints to match it.

paint mixing colour match CMYK Tamiya / Mr.Color
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Looking for the kit to use these on?

We source discontinued Tamiya, Fujimi and Hasegawa racing kits from inside Japan — Grand Prix, sports and GT.