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WHO: Junichi Yamada aka JAMAD / Software Engineer WHY: Transform complex logic into intuitive experience. WHAT: 3D Visualization, Physics Simulations, Language Tools. HOW: Gemini, AI Studio, Claude.ai, ChatGPT, Copilot / Three.js, Vanilla JS. WHERE: Helsinki / Remote. WHEN: 2023 - PRESENT (Post-AI Development Era).
  • OPEN VIDEO
    ★ Pixel Art Tool v20260309.4

    JAMAD PIXEL

    JAMAD PIXEL // LO-FI CANVAS.
    9色パレットと対称描画を備えた、ブラウザで動くピクセルアートエディター。

    64×64 canvas9-color paletteSingle-file

    Features 8-slot clipboard, selection tool, text tool, symmetry axes, pattern masking, stamp editor, and PNG export.

    example example
    OPEN EDITOR → DEMO A → DEMO B → DEMO C → SUPPORT ON ITCH.IO → itch.io
  • OPEN VIDEO
    ★ 3D Tool v20260306.6

    JAMAD ROKURO

    JAMAD ROKURO // SVG TO LATHE 3D GENERATOR.
    SVGスプライン断面を轆轤よろしく回転体として3Dモデルへ変換するブラウザツール。

    Three.jsSTL / OBJ / SVGSingle-file

    Bezier spline profile editor with 64×64 grid — drag anchors, add nodes on edges, sharp/curve toggle, handle mirroring, undo/redo.
    Axis & grid-mm scale controls. Lathe revolution with configurable segments.

    OPEN TOOL →
  • OPEN VIDEO
    ★ Vector Tool v20260303.10

    JAMAD SVG

    JAMAD SVG // PIXEL TO PATH CONVERTER.
    JAMAD PIXEL アートをベジェ曲線ベクターパスへ変換・編集するSVGエディター。

    Bezier EditUnion TraceSingle-file

    Per-subpath bezier editing — drag shapes, add/delete nodes, sharp/curve toggle, handle mirroring, color lock/hide, 50-step undo/redo. Save & reload SVG.

    source → target
    OPEN EDITOR → DEMO.MP4 →
  • OPEN VIDEO
    ★ 3D Maze Logic v20260225.3

    SNOW TRACE

    SNOW TRACE // PAW PRINT NAVIGATION SYSTEM.
    三次元の氷の迷路を、自らの足跡を唯一の導きとして踏破するロジカルパズル。

    Three.js3-floorJA/EN/FI/DA

    Explore a 3-floor structural labyrinth. Features multi-floor navigation, dynamic paw print tracking, and an interactive 3D minimap.

    ENTER THE MAZE →
  • OPEN VIDEO
    ★ Linguistic Logic v20260223.5

    SIJAMUOTO COMPASS

    SIJAMUOTO COMPASS // LINGUISTIC ORIENTATION SYSTEM.
    フィンランド語の複雑な格システムを、空間的な方向性と論理で解き明かす羅針盤。

    Finnish CasesKPT ShiftAudio

    Deconstructs Finnish cases into a logical spatial map (Input / State / Output). Features kinetic motion pathing and native audio synthesis.

    LAUNCH COMPASS →
  • OPEN VIDEO
    ★ Physics Simulation v20260222.2

    STRANDBEEST SIM

    THEO JANSEN LINKAGE // 11-BAR WALKING MECHANISM.
    Theo Jansenの歩行機構をブラウザで調整できるインタラクティブシミュレーター。

    11-bar linkage2–8 legsTouch optimized

    Simulates the exact 11-bar Jansen linkage with real-time parameter editing. Features gait visualization and iPad/touch optimized controls.

    LAUNCH SIMULATOR →
  • OPEN VIDEO
    ★ Physics Visualization v20260220.15

    MASSLESS ENERGY

    MASSLESS ENERGY // PHOTON MOMENTUM VISUALIZER.
    質量のない光子の「勢い」が原子を叩いて熱を生むメカニズムを体験するインタラクティブシミュレーター。

    IR→UVAtomic scaleJA/EN/FI/DA

    Visualize how massless photons transfer momentum to atoms. Features real-time solar intensity, frequency, and reflectivity controls.

    LAUNCH EXPERIMENT →
  • OPEN VIDEO
    ★ Math Visualization v20260219.1

    TAYLOR SHIFT

    TAYLOR SERIES // DANCING WITH MACLAURIN.
    テイラー展開とマクローリン展開をリアルタイムで体験する数学ビジュアライザー。

    sin/cos/tan/eˣSymbolic formulaJA/EN/FI/DA

    Watch polynomial approximations converge to sin, cos, tan, e^x, arctan, √(1+x), e^(−x²) and more. Features animated term playback.

    EXPLORE SERIES →
  • OPEN VIDEO
    ★ 3D Word Game v20260305.3

    YOJI-JUKU GO!

    FAST-PACED IDIOM GATES // ZODIAC TRIALS.
    十二支の門をスライドで突破し、最速タイムを競う3D四字熟語ゲーム。

    12 Zodiac gatesTime attackJP/EN

    Navigate through 12 zodiac-themed 3D gates. Solve 24-permutation idiom puzzles in a high-speed time attack.

    ENTER THE GATES →
  • OPEN VIDEO
    ★ Map Application v20260213.7

    HEL STREET DECODER

    DECODE THE CITY // NAME MEANINGS.
    フィンランドの通り名の裏にある意味を発見するツール。

    FI/SV/EN/JATouch mapDark mode

    Discover the meanings behind Finnish street names (e.g., "Kaivokatu" = Well Street). Features semantic translation and iPad-optimized touch map.

    START DECODING →
  • OPEN VIDEO
    ★ Zen Game v20260223.1

    KANJI FISHING

    ZEN EXPLORATION // NO SCORE.
    スコアも制限時間もない、深海で静かに難読漢字を釣り上げる瞑想的な体験。

    No scoreMinimalist audioDeep-sea

    A meditative "Zen game" focusing on the quiet beauty of Kanji. No pressure, no score—just minimalist audio and the search for ancient characters in the silent abyss.

    CAST LINE →
  • OPEN VIDEO
    ★ Productivity Tool v20260208.2

    JAMAD ONYX

    NORDIC WRITING SURFACE // IME OPTIMIZED.
    言語切り替え時の記号配置の混乱を解消し、Markdown執筆を加速させる入力デバイス。

    JA/EN/FI/DAWASD navIME optimized

    Intelligent Nordic writing surface for JA/EN/FI/DA users. Features WASD cyclic navigation and high-contrast Onyx UI.

    LAUNCH SURFACE →
  • OPEN VIDEO
    ★ Data Visualization v20260129.10

    JAMAD CALENDAR

    TIME MATRIX // 120 YEARS.
    120年分の時間を1画面に積層し、高精度のレンズで探索するカレンダー。

    120 years100× zoom loupeJA/EN/FI/DA

    High-density texture view with 100x zoom loupe. Features Life-Span Masking and Precision Speed Control.

    EXPLORE TIME →
  • NO
    VIDEO
    ★ Web Application v20260127.9

    DECA-SEARCH

    OMNISCIENT BROWSER INTERFACE.
    1000億件のデータ宇宙を探索するReactアプリケーション。

    100B recordsReactAuto-Pilot

    A React-based interface designed to explore a data universe of 100 billion records. Featuring Touch-Optimization, Heatmap Visualization, and Auto-Pilot.

    LAUNCH SYSTEM →
  • OPEN VIDEO
    ★ 3D Visualization v20260126.38

    RETICULUMIND

    A SPATIAL MIND MAP IN 3D.
    物理演算ベースの3D空間で思考を網目(ネットワーク)のように紡ぐツール。

    Physics-basedQR exportJSON

    Single-file, No-install, Physics-based. Features WASD navigation, QR code generation, and JSON export.

    OPEN EDITOR → KNOWLEDGE BROWSER → SOURCE CODE →
  • NO
    VIDEO
    ★ New Game v20260119.5

    FINNISH DEFENSE

    HELSINKI DEFENSE SYSTEM.
    フィンランド語タイピングで隕石を迎撃する、レトロフューチャー防衛ゲーム。

    HTML5 CanvasTyping shooterRetro-future

    Protect the city with SISU. A retro-style typing shooter built with HTML5 Canvas & Vanilla JS.

    PLAY NOW →
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