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Add EzyCad landing page and SEO meta on browser demo
Co-authored-by: Cursor <cursoragent@cursor.com>
1 parent f0d9ab1 commit 02540fa

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Lines changed: 274 additions & 12 deletions

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‎EzyCad/EzyCad.html‎

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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"/>
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<title>EzyCad</title>
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<title>EzyCad — browser demo (WebAssembly)</title>
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<meta name="description" content="EzyCad — open-source hobbyist CAD using Open CASCADE (OCCT), Dear ImGui, and OpenGL. Run in your browser via WebAssembly or build from source on GitHub.">
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<meta name="keywords" content="EzyCad, CAD, Open CASCADE, OCCT, ImGui, OpenGL, WebAssembly, CNC, machining, STEP, STL">
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<link rel="canonical" href="https://trailcode.github.io/EzyCad/EzyCad.html">
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<meta property="og:title" content="EzyCad — open-source hobbyist CAD">
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<meta property="og:description" content="Design 2D and 3D parts in your browser. Built with OCCT, Dear ImGui, and OpenGL. Source: github.com/trailcode/EzyCad">
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<meta property="og:type" content="website">
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<meta property="og:url" content="https://trailcode.github.io/EzyCad/EzyCad.html">
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<meta property="og:image" content="https://raw.githubusercontent.com/trailcode/EzyCad/main/doc/gen/AI-gen-splashscreen_05_01_2026_512.png">
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<meta name="twitter:card" content="summary_large_image">
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<style>
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body { margin: 0; background-color: black }
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.emscripten {
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height: 100%;
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overflow: hidden;
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display: block;
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image-rendering: optimizeSpeed;
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image-rendering: -moz-crisp-edges;
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image-rendering: -o-crisp-edges;
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image-rendering: -webkit-optimize-contrast;
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image-rendering: optimize-contrast;
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image-rendering: crisp-edges;
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image-rendering: pixelated;
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-ms-interpolation-mode: nearest-neighbor;
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/* Default (smooth) scaling. Do NOT use image-rendering: pixelated here:
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when the canvas backing-store size differs from CSS size (HiDPI), the
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browser upscales the WebGL surface with nearest-neighbor and ImGui text
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looks blocky. */
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}
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/* Loading splash (Emscripten: wasm download + preloads + first frame) */
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#ezycad-splash {
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position: fixed;
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inset: 0;
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z-index: 20;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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gap: 1.25rem;
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background: #0a0a0c;
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color: #e8e8ec;
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font-family: system-ui, Segoe UI, Roboto, sans-serif;
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transition: opacity 0.35s ease, visibility 0.35s ease;
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}
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#ezycad-splash.ezycad-splash--hidden {
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opacity: 0;
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visibility: hidden;
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pointer-events: none;
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}
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#ezycad-splash h1 {
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margin: 0;
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font-size: 1.75rem;
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font-weight: 600;
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letter-spacing: 0.04em;
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}
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#ezycad-splash-status {
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margin: 0;
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min-height: 1.25em;
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font-size: 0.85rem;
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color: #9898a8;
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text-align: center;
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max-width: 90vw;
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}
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.ezycad-splash-spinner {
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width: 40px;
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height: 40px;
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border: 3px solid #2a2a32;
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border-top-color: #5a9fd4;
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border-radius: 50%;
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animation: ezycad-spin 0.85s linear infinite;
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}
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@keyframes ezycad-spin {
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to { transform: rotate(360deg); }
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}
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</style>
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</head>
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<body>
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<div id="ezycad-splash" aria-live="polite">
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<div class="ezycad-splash-spinner" role="status" aria-label="Loading"></div>
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<h1>EzyCad</h1>
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<p id="ezycad-splash-status"></p>
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</div>
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<canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()"></canvas>
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<script type='text/javascript'>
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var Module = {
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(function() {
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var splash = document.getElementById('ezycad-splash');
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var statusEl = document.getElementById('ezycad-splash-status');
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function setSplashStatus(text) {
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if (!statusEl) return;
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if (text == null || text === '') {
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statusEl.textContent = '';
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return;
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}
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var s = String(text).replace(/\s+/g, ' ').trim();
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statusEl.textContent = s;
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}
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function hideSplash() {
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if (!splash) return;
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splash.classList.add('ezycad-splash--hidden');
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}
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window.Module = {
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preRun: [],
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postRun: [],
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postRun: [
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function() {
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// Let WebGL + ImGui paint once before removing the overlay (avoids a black flash).
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requestAnimationFrame(function() {
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requestAnimationFrame(hideSplash);
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});
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}
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],
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print: (function() {
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return function(text) {
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text = Array.prototype.slice.call(arguments).join(' ');
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})(),
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setStatus: function(text) {
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console.log("status: " + text);
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setSplashStatus(text);
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},
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monitorRunDependencies: function(left) {
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// no run dependencies to log
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if (left > 0)
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setSplashStatus('Preparing assets… (' + left + ' remaining)');
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else
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setSplashStatus('Starting…');
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},
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onAbort: function(reason) {
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setSplashStatus(reason ? ('Load aborted: ' + reason) : 'Load aborted');
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}
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};
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})();
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window.onerror = function() {
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console.log("onerror: " + event);
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};

‎EzyCad/index.html‎

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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>EzyCad — open-source hobbyist CAD (OCCT, ImGui, OpenGL)</title>
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<meta name="description" content="EzyCad (Easy CAD) is open-source hobbyist CAD for machining: sketch, extrude, and export STEP/STL using Open CASCADE, Dear ImGui, and OpenGL. Not EZCAD laser software.">
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<meta name="keywords" content="EzyCad, trailcode, CAD, Open CASCADE, OCCT, ImGui, OpenGL, WebAssembly, CNC, machining, STEP, STL">
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<link rel="canonical" href="https://trailcode.github.io/EzyCad/">
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<meta property="og:title" content="EzyCad — open-source hobbyist CAD">
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<meta property="og:description" content="Design 2D and 3D parts for CNC and 3D printing. Built with OCCT, Dear ImGui, and OpenGL. Try the browser demo or browse the source on GitHub.">
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<meta property="og:type" content="website">
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<meta property="og:url" content="https://trailcode.github.io/EzyCad/">
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<meta property="og:image" content="https://raw.githubusercontent.com/trailcode/EzyCad/main/doc/gen/AI-gen-splashscreen_05_01_2026_512.png">
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<meta name="twitter:card" content="summary_large_image">
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<style>
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:root {
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color-scheme: dark light;
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--bg: #0a0a0c;
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--surface: #141418;
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--text: #e8e8ec;
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--muted: #9898a8;
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--accent: #5a9fd4;
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--border: #2a2a32;
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}
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@media (prefers-color-scheme: light) {
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:root {
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--bg: #f4f4f6;
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--surface: #ffffff;
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--text: #1a1a22;
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--muted: #5a5a68;
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--accent: #2a6fa8;
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--border: #d8d8e0;
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}
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}
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* { box-sizing: border-box; }
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body {
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margin: 0;
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font-family: system-ui, Segoe UI, Roboto, sans-serif;
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background: var(--bg);
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color: var(--text);
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line-height: 1.6;
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}
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.wrap {
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max-width: 52rem;
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margin: 0 auto;
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padding: 2rem 1.25rem 3rem;
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}
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header { text-align: center; margin-bottom: 2rem; }
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header img {
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max-width: min(100%, 28rem);
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height: auto;
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border-radius: 0.5rem;
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border: 1px solid var(--border);
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}
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h1 {
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margin: 1rem 0 0.25rem;
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font-size: 2rem;
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letter-spacing: 0.02em;
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}
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.tagline { color: var(--muted); margin: 0; }
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.note {
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margin: 1.5rem 0;
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padding: 0.75rem 1rem;
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background: var(--surface);
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border: 1px solid var(--border);
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border-radius: 0.5rem;
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font-size: 0.95rem;
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}
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.actions {
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display: flex;
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flex-wrap: wrap;
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gap: 0.75rem;
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margin: 1.5rem 0 2rem;
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}
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.actions a {
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display: inline-block;
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padding: 0.65rem 1.1rem;
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border-radius: 0.4rem;
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text-decoration: none;
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font-weight: 600;
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}
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.primary {
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background: var(--accent);
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color: #fff;
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}
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.secondary {
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background: var(--surface);
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color: var(--text);
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border: 1px solid var(--border);
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}
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section {
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background: var(--surface);
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border: 1px solid var(--border);
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border-radius: 0.5rem;
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padding: 1.25rem 1.5rem;
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margin-bottom: 1.25rem;
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}
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h2 { margin-top: 0; font-size: 1.15rem; }
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ul { padding-left: 1.25rem; }
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a { color: var(--accent); }
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footer {
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margin-top: 2rem;
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text-align: center;
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color: var(--muted);
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font-size: 0.9rem;
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}
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</style>
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</head>
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<body>
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<div class="wrap">
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<header>
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<img src="https://raw.githubusercontent.com/trailcode/EzyCad/main/doc/gen/AI-gen-splashscreen_05_01_2026_512.png" width="512" height="512" alt="EzyCad splash screen">
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<h1>EzyCad</h1>
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<p class="tagline">Easy CAD for hobbyist machinists — Open CASCADE, Dear ImGui, OpenGL</p>
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</header>
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<p>
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<strong>EzyCad</strong> (Easy CAD) is an open-source CAD application for designing and editing
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2D and 3D models for machining projects. Sketch, extrude, and apply geometric operations,
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then export to <strong>STEP</strong>, <strong>STL</strong>, and other formats for CNC machines or 3D printers.
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</p>
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<div class="note">
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<strong>Not EZCAD laser software.</strong>
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<strong>EzyCad</strong> (with a <strong>y</strong>) is mechanical CAD built on OCCT — unrelated to
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EZCAD2/EZCAD3 laser marking products. Search for <code>trailcode EzyCad</code> or
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<code>site:github.com EzyCad trailcode</code>.
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</div>
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<div class="actions">
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<a class="primary" href="EzyCad.html">Try in browser (WebAssembly)</a>
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<a class="secondary" href="https://github.com/trailcode/EzyCad">GitHub repository</a>
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<a class="secondary" href="https://ezycad.readthedocs.io/en/latest/usage.html">Documentation</a>
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<a class="secondary" href="https://github.com/trailcode/EzyCad/releases">Releases</a>
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</div>
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<section>
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<h2>Features</h2>
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<ul>
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<li>2D sketching and 3D solid modeling with Open CASCADE Technology (OCCT)</li>
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<li>Interactive UI built with Dear ImGui and OpenGL</li>
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<li>Desktop (Windows) and browser (Emscripten / WebAssembly) builds</li>
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<li>Lua and Python scripting consoles on supported builds</li>
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<li>Export for CAM, other CAD tools, and 3D printing</li>
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</ul>
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</section>
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<section>
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<h2>Tech stack</h2>
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<p>
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Open CASCADE (OCCT) · Dear ImGui · OpenGL · GLFW · C++20 · Emscripten (WebAssembly)
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</p>
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</section>
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<section>
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<h2>Find the project</h2>
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<ul>
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<li><a href="https://github.com/trailcode/EzyCad">https://github.com/trailcode/EzyCad</a></li>
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<li><a href="https://ezycad.readthedocs.io/">https://ezycad.readthedocs.io/</a></li>
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<li><a href="https://trailcode.github.io/EzyCad/EzyCad.html">Browser demo</a></li>
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<li><a href="https://github.com/trailcode/EzyCad/discussions">Discussions and community</a></li>
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</ul>
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</section>
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<footer>
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MIT License · maintained by <a href="https://github.com/trailcode">trailcode</a>
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</footer>
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</div>
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</body>
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</html>

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