Sun Diagram
Sun Diagram is an extension for creating 3D sun paths and analyzing sunlight in architectural projects.
Features
The plugin has 04 core features.
<!-- Feature 1 Card -->
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<img src="/images/2026/06/1F.gif" alt="Create Sun path diagram" class="rounded-xl border border-slate-200 dark:border-slate-800 shadow-md w-full object-cover" />
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<a href="https://youtu.be/hMH1T1M9wic?si=aGubLEJYJBnTxyVd&t=20" target="_blank" rel="noopener">1. Create Sunpath (Feature 1)</a>
</h3>
<p class="text-sm font-semibold text-slate-800 dark:text-slate-200">
Generate a 3D Sunpath by entering your project’s location. Choose input methods:
</p>
<ul class="text-xs sm:text-sm text-slate-600 dark:text-slate-300 space-y-2 list-disc pl-5">
<li><strong>Option A – From Model:</strong> Use the coordinates already embedded in your SketchUp model (via File -> Add Location).</li>
<li><strong>Option B – Manual Input:</strong> Enter latitude and longitude directly. Coordinates can be copied from Google Maps (format example: <code>26.2649, -81.6255</code>).</li>
</ul>
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⭐ <strong>Smart DST Engine:</strong> Enable Daylight Saving Time (DST) for highly accurate solar analysis in regions with seasonal time changes (Premium Feature).
</div>
<div class="flex flex-wrap gap-3 pt-2">
<a href="/daylight-saving-time/" class="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-lg bg-slate-200 dark:bg-slate-800 text-slate-800 dark:text-slate-200 text-xs font-semibold hover:bg-slate-300 dark:hover:bg-slate-700 transition-colors">
Why is the DST feature important?
</a>
<a href="https://youtu.be/hMH1T1M9wic?si=aGubLEJYJBnTxyVd&t=20" target="_blank" rel="noopener" class="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-lg bg-sky-50 dark:bg-sky-950/50 text-sky-600 dark:text-sky-400 border border-sky-200 dark:border-sky-800 text-xs font-bold hover:bg-sky-100 dark:hover:bg-sky-900/50 transition-colors">
▶️ See How It Works
</a>
</div>
</div>
</div>
<!-- Feature 2 Card -->
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<img src="/images/2026/06/2F.gif" alt="Shadow Analysis" class="rounded-xl border border-slate-200 dark:border-slate-800 shadow-md w-full object-cover" />
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<a href="https://youtu.be/hMH1T1M9wic?si=DsYa1dOm9t1ofW2e&t=79" target="_blank" rel="noopener">2. Shadow Analysis (Feature 2)</a>
</h3>
<p class="text-sm text-slate-600 dark:text-slate-300 leading-relaxed">
Simulate shadows and sun positions instantly with our real-time interactive UI.
</p>
<ul class="text-xs sm:text-sm text-slate-600 dark:text-slate-300 space-y-2 list-disc pl-5">
<li><strong>Real-Time Sliders:</strong> Check your desired months and drag the time slider to update shadows instantly—no guessing or clicking 'Apply'.</li>
<li><strong>Custom Dates:</strong> Select any specific day of the month (1-31) for pinpoint accuracy, or stick to standard Solstices and Equinoxes.</li>
<li><strong>On-Screen Info (HUD):</strong> Display real-time solar data (Location, Date, Time, UTC) directly in your viewport.</li>
</ul>
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⭐ Automate your workflow and prevent UTC errors with built-in Daylight Saving Time (DST) support.
</div>
<div class="pt-2">
<a href="https://youtu.be/hMH1T1M9wic?si=DsYa1dOm9t1ofW2e&t=79" target="_blank" rel="noopener" class="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-lg bg-sky-50 dark:bg-sky-950/50 text-sky-600 dark:text-sky-400 border border-sky-200 dark:border-sky-800 text-xs font-bold hover:bg-sky-100 dark:hover:bg-sky-900/50 transition-colors">
▶️ See How It Works
</a>
</div>
</div>
</div>
<!-- Feature 3 Card -->
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<img src="/images/2026/03/20260311-F3.gif" alt="Batch Export Shadows" class="rounded-xl border border-slate-200 dark:border-slate-800 shadow-md w-full object-cover" />
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<a href="https://youtu.be/hMH1T1M9wic?si=UYsvk8LnAds2ccUL&t=132" target="_blank" rel="noopener">3. Batch Export Shadows (Feature 3)</a>
</h3>
<p class="text-sm text-slate-600 dark:text-slate-300 leading-relaxed">
Export shadow sequences with a single click to create stunning time-lapse animations.
</p>
<ul class="text-xs sm:text-sm text-slate-600 dark:text-slate-300 space-y-2 list-disc pl-5">
<li><strong>Automated Workflow:</strong> Select your time ranges, and let the system generate all images automatically based on your Shadow Analysis settings.</li>
<li><strong>Multiple Resolutions:</strong> Export in standard Landscape (FullHD, 2K, 4K) or Vertical formats (9:16) perfectly sized for social media (Reels, TikTok, Shorts).</li>
<li><strong>HUD Control:</strong> Choose to include or remove the On-Screen Info watermark from your final exported frames.</li>
<li><strong>Presentation Ready:</strong> Combine exported images into a video (CapCut, Premiere, After Effects) or merge into a PDF.</li>
</ul>
<div class="pt-2">
<a href="https://youtu.be/hMH1T1M9wic?si=UYsvk8LnAds2ccUL&t=132" target="_blank" rel="noopener" class="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-lg bg-sky-50 dark:bg-sky-950/50 text-sky-600 dark:text-sky-400 border border-sky-200 dark:border-sky-800 text-xs font-bold hover:bg-sky-100 dark:hover:bg-sky-900/50 transition-colors">
▶️ See How It Works
</a>
</div>
</div>
</div>
<!-- Feature 4 Card -->
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<img src="/images/2026/06/4F.gif" alt="Diagram Styles" class="rounded-xl border border-slate-200 dark:border-slate-800 shadow-md w-full object-cover" />
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<a href="https://www.youtube.com/shorts/G2O8383bOGk" target="_blank" rel="noopener">4. Diagram Styles (Feature 4)</a>
</h3>
<p class="text-sm text-slate-600 dark:text-slate-300 leading-relaxed">
Find the perfect visual style for your project — instantly, with just one click.
</p>
<ul class="text-xs sm:text-sm text-slate-600 dark:text-slate-300 space-y-2 list-disc pl-5">
<li><strong>One-Click Activation:</strong> Load a style to automatically adjust SketchUp graphics, edge settings, and Sun Path layers (tags).</li>
<li><strong>Premium Library:</strong> Unlock 09 professional diagram styles and 03 dynamic compass designs (Pro/Studio).</li>
<li>The Standard (Free) version includes 02 clean, beautiful styles that fit most basic presentation needs.</li>
</ul>
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<a href="https://www.youtube.com/shorts/G2O8383bOGk" target="_blank" rel="noopener" class="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-lg bg-sky-50 dark:bg-sky-950/50 text-sky-600 dark:text-sky-400 border border-sky-200 dark:border-sky-800 text-xs font-bold hover:bg-sky-100 dark:hover:bg-sky-900/50 transition-colors">
▶️ See How It Works
</a>
</div>
</div>
</div>What You Can Do with Sun Diagram:
☀️ 1. Shadow diagram
🌍 2. Solar study
🏢 3. Shadow analysis
🚀 4. And more
Get Sun Diagram
Choose the license that fits your professional workflow
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<!-- STANDARD (FREE) CARD -->
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<h3 class="text-lg font-black tracking-wide uppercase">Sun Diagram Standard</h3>
<p class="text-xs text-slate-300 mt-1">Free for all users, commercial work permitted.</p>
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<span class="text-emerald-500 font-bold">✔️</span>
<div><strong>Generate 3D Sun Path:</strong> Scientifically accurate from coordinates.</div>
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<span class="text-rose-500 font-bold">❌</span>
<div><strong>No DST Support:</strong> Base UTC time only.</div>
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<span class="text-slate-400 font-bold">➖</span>
<div><strong>Core Shadow Analysis:</strong> June & December only (Any day & hour for Solstice testing).</div>
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<span class="text-slate-400 font-bold">➖</span>
<div><strong>Standard Batch Export:</strong> June & December only (Locked to FullHD 1080p).</div>
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<span class="text-slate-400 font-bold">➖</span>
<div><strong>Diagram Style:</strong> 02 Basic Styles + Customize colors and toggle Sun/Skydome visibility.</div>
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<span class="text-emerald-500 font-bold">✔️</span>
<div><strong>Updates:</strong> Auto via SketchUp Extension Warehouse</div>
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</div>
</div>
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<a href="https://extensions.sketchup.com/extension/5aa1ab3d-36ff-4510-ae63-84f677a36f3a/sun-diagram" target="_blank" rel="noopener" class="block w-full py-3 px-6 rounded-xl bg-slate-900 hover:bg-slate-800 text-white dark:bg-white dark:text-slate-900 font-bold text-sm shadow-md transition-all">
Free Download on Extension Warehouse
</a>
<p class="text-xs text-slate-500 dark:text-slate-400">
Alternative free download via <a href="https://drive.google.com/file/d/1NOrnKiSXEv71vL9cXiMCK5DK9AU4Gz1S/" target="_blank" rel="noopener" class="text-amber-500 underline font-medium">Google Drive</a>
</p>
</div>
</div>
<!-- SUN DIAGRAM PRO CARD -->
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<div class="absolute top-3 right-3 bg-amber-400 text-slate-950 text-[10px] font-black uppercase px-2.5 py-0.5 rounded-full shadow-sm">
Recommended ⭐
</div>
<div>
<div class="bg-gradient-to-r from-slate-900 to-slate-800 text-white text-center py-4 px-6">
<h3 class="text-lg font-black tracking-wide uppercase text-amber-400">Sun Diagram Pro ⭐</h3>
<p class="text-xs text-slate-300 mt-1">Unlock full features. Annual Subscription or Lifetime Ownership.</p>
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<div class="flex items-start gap-2">
<span class="text-emerald-500 font-bold">✔️</span>
<div><strong>Generate 3D Sun Path:</strong> Scientifically accurate from coordinates.</div>
</div>
<div class="flex items-start gap-2">
<span class="text-emerald-500 font-bold">✔️</span>
<div><strong class="text-sky-600 dark:text-sky-400">Smart DST Engine:</strong> Automatic Daylight Saving Time adjustment.</div>
</div>
<div class="flex items-start gap-2">
<span class="text-emerald-500 font-bold">✔️</span>
<div><strong class="text-sky-600 dark:text-sky-400">Full Shadow Analysis:</strong> <strong>All 12 Months</strong> (Any day & hour, full solar mastery).</div>
</div>
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<span class="text-emerald-500 font-bold">✔️</span>
<div><strong class="text-sky-600 dark:text-sky-400">Advanced Batch Export:</strong> <strong>All 12 Months</strong> (Unlock 2K, 4K, Vertical 9:16, 100% Watermark-Free).</div>
</div>
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<span class="text-emerald-500 font-bold">✔️</span>
<div><strong class="text-sky-600 dark:text-sky-400">Diagram Style:</strong> All 09 Pro Styles + Unlimited color control & Negative Mode.</div>
</div>
<div class="flex items-start gap-2">
<span class="text-emerald-500 font-bold">✔️</span>
<div><strong>Updates:</strong> Auto via Extension Warehouse / SketchUcation or Gumroad.</div>
</div>
</div>
</div>
<div class="p-6 bg-slate-50 dark:bg-slate-800/50 border-t border-slate-100 dark:border-slate-800 space-y-3">
<a href="https://extensions.sketchup.com/extension/b2e8e5b3-7dc1-45b9-813c-8c9c553d461b/sun-diagram-studio" target="_blank" rel="noopener" class="block w-full py-3 px-6 rounded-xl bg-amber-400 hover:bg-amber-300 text-slate-950 font-bold text-sm text-center shadow-md transition-all">
Subscribe Pro Studio ($15 USD / year)
</a>
<a href="https://febhouse.gumroad.com/l/Sundiagram" target="_blank" rel="noopener" class="block w-full py-3 px-6 rounded-xl border border-slate-300 dark:border-slate-600 hover:bg-slate-100 dark:hover:bg-slate-800 text-slate-900 dark:text-white font-bold text-sm text-center transition-all">
Buy Lifetime Pro ($45 USD One-time)
</a>
<div class="text-center text-xs text-slate-500 pt-1">
<a href="https://sketchucation.com/plugin/3102-febsundiagrampro" target="_blank" rel="noopener" class="hover:text-amber-500 underline">Prefer SketchUcation? Get it here.</a>
</div>
</div>
</div>
</div>
<!-- Developer & Support Note -->
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<p>Sun Diagram is developed by <strong>Febhouse</strong>.</p>
<p>📩 Support: <a href="mailto:[email protected]" class="text-amber-500 font-medium underline">[email protected]</a> (response within 24h)</p>
</div>
Version 4.5.5
2026-07-03
🛠️ Bug Fixes & Stability Improvements: Text Stability on Save/Autosave: Fixed a critical issue where sun path hour labels (12h, 14h, 16h, etc.) would randomly disappear when saving the model in SketchUp 2023 and 2026.
<!-- Expandable Legacy Changelog Accordion -->
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<span>📜 View Legacy Changelog (V1.0 - V4.5.0)</span>
<span class="text-xs text-slate-400 transition-transform group-open:rotate-180">▼</span>
</summary>
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<strong class="text-slate-900 dark:text-white">Version 4.5.0 (2026-06-06)</strong>
<p>✔️ Comprehensive Diagram Style Upgrade: Overhauled Diagram Style panel with intuitive controls.</p>
<p>✔️ Ultra-Clean Sun Path: Removed Section Slice at the base for a distraction-free 3D model.</p>
</div>
<div>
<strong class="text-slate-900 dark:text-white">Version 4.0.2 (2026-04-01)</strong>
<p>✔️ Flexible 3D Sun Path & Sky Dome: Dynamic solar dome across all 12 months with solstice/equinox markers.</p>
<p>✔️ Instant Shadow Control & Smart DST: Interactive dashboard with automatic daylight saving time calculation.</p>
<p>✔️ One-Click Batch Export: Automated high-res shadow sequence generation up to 4K.</p>
</div>
<div>
<strong class="text-slate-900 dark:text-white">Version 3.5.1 (2026-02-11)</strong>
<p>✔️ Smart Time Zone Engine: Removed hardcoded UTC+8 override for East Asia.</p>
<p>✔️ Stability & Security: Optimized Undo/Redo stack performance and enhanced Windows/Unicode path handling.</p>
</div>
<div>
<strong class="text-slate-900 dark:text-white">Version 3.5 (2026-02-06)</strong>
<p>✔️ Regional Time Zone Overrides and 9:16 vertical resolution export support for social media reels.</p>
</div>
<div>
<strong class="text-slate-900 dark:text-white">Version 3.4 (2025-11-25)</strong>
<p>✔️ Added yellow 3D Dome surrounding Sun Path assigned to Feb_Dome tag.</p>
</div>
<div>
<strong class="text-slate-900 dark:text-white">Version 3.0 (2025-06-18)</strong>
<p>✔️ Added 3D Sun Position locator and real-time shadow slider integration.</p>
</div>
<div>
<strong class="text-slate-900 dark:text-white">Version 2.0 (2024-11-15)</strong>
<p>✔️ Custom solstices, equinox rings, and automated diagram style presets.</p>
</div>
<div>
<strong class="text-slate-900 dark:text-white">Version 1.0 (2024-08-20)</strong>
<p>✔️ Initial release: 3D Sun Path generation based on geographic latitude and longitude.</p>
</div>
</div>
</details>
Frequently Asked Questions
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<summary class="font-bold text-sm sm:text-base text-slate-900 dark:text-white flex items-center justify-between list-none">
<span>Why is the DST (Daylight Saving Time) feature important?</span>
<span class="text-amber-500 transition-transform group-open:rotate-180 text-xs">▼</span>
</summary>
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<p>In regions observing Daylight Saving Time (such as the US, Europe, and Australia), clocks shift forward 1 hour in spring and back 1 hour in autumn.</p>
<p>Without DST compensation, sunlight simulations during summer will be off by a full hour (15 degrees of solar rotation). Sun Diagram Pro calculates DST automatically based on your location coordinates and chosen date.</p>
</div>
</details>
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<summary class="font-bold text-sm sm:text-base text-slate-900 dark:text-white flex items-center justify-between list-none">
<span>Which SketchUp versions are compatible?</span>
<span class="text-amber-500 transition-transform group-open:rotate-180 text-xs">▼</span>
</summary>
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Sun Diagram supports SketchUp 2020, 2021, 2022, 2023, 2024, 2025, and 2026 on both Windows and macOS (including Apple Silicon M1/M2/M3/M4).
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</details>
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<summary class="font-bold text-sm sm:text-base text-slate-900 dark:text-white flex items-center justify-between list-none">
<span>What is the difference between Pro Studio and Pro Lifetime?</span>
<span class="text-amber-500 transition-transform group-open:rotate-180 text-xs">▼</span>
</summary>
<div class="mt-3 text-sm text-slate-600 dark:text-slate-300 leading-relaxed pt-3 border-t border-slate-200/60 dark:border-slate-800/60">
Both provide 100% full features. Pro Studio is an annual subscription ($15/year) managed through the Extension Warehouse with auto-updates. Pro Lifetime is a one-time purchase ($45) via Gumroad with perpetual offline use and free updates.
</div>
</details>
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<span>How does Batch Export Shadows work?</span>
<span class="text-amber-500 transition-transform group-open:rotate-180 text-xs">▼</span>
</summary>
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Select your date and time range (e.g., 8:00 AM to 5:00 PM at 30-minute intervals). The plugin automatically loops through the sun positions, rendering high-resolution frames into your specified output folder ready for video creation or PDF presentation boards.
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