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  • Home
  • Art
    • XVIIL
    • Concept Design
    • Illustration
    • 3D
    • Unreal
    • Product Design
  • Game
    • Lone Mask
    • Moooove it!
    • EggVenture
    • Decent Farewell
    • River Clash
    • Post Redemption
    • Sweeping the Ruins
    • DAJOX:Space Music Odyssey
  • Graphic
    • VI & Logofolio
    • Web & UI/UX
    • Posters & Large banners
  • Project
    • Sculpting
    • Web Comic
    • Model Painting
    • Ai
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Product Sketch

Concept sketch and design of a folding knife called Seven Plus.
Technical drawing of a blue folding knife with annotations.
Sketch of a detailed motorcycle design with annotations.
Hand-drawn sketch of a red motorcycle.
Sketch of a futuristic motorcycle design with annotations.
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Rocket Age Trans Design Project

Future Electric Trans Design Project

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    The Best Brush LLC
    Independent Game Development & Interactive Entertainment Studio
    Founded by Qincheng Xu. 


     © 2026 The Best Brush LLC. All Rights Reserved.
    Quinxyart is the official portfolio and studio website of The Best Brush LLC.
     

    Contact: bestbrushstudio@gmail.com

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