SketchUp AI Tools: A Practical Guide for SA Designers

SketchUp has always been about speed — getting from idea to 3D model as quickly as possible. With the 2026.1 update, Trimble has added a suite of AI-powered tools that take that speed to a new level. AI Render turns your model viewport into a photorealistic concept image in seconds. Generate Object creates 3D assets with realistic materials from a text prompt or a photo. And AI Assistant gives you instant in-app help without leaving your workspace. The best part? These tools are already included with your SketchUp Go, Pro or Studio subscription — you don’t need to install anything extra. This guide walks South African designers through each tool, explains how the credit system works, and shows you practical ways to use SketchUp AI in your daily workflow.

What Is SketchUp AI?

SketchUp AI is Trimble’s umbrella for a set of generative AI tools built directly into SketchUp. These aren’t separate plugins or third-party add-ons — they’re integrated into the SketchUp interface on Desktop, iPad and Web, and they use the same Trimble ID you already sign in with.

There are three tools under the SketchUp AI banner:

• AI Render — generates photorealistic concept images from your 3D model viewport, guided by text prompts or preset styles.
• AI Assistant (Generate Object) — creates 3D objects with photoreal (PBR) materials from a text prompt or an image you upload.
• AI Assistant (Help) — an in-app chatbot that answers questions about SketchUp tools, workflows and best practices. This one is free and doesn’t use any credits.

All three tools are available to Go, Pro and Studio subscribers. Free users don’t receive AI credits, so the generative features (AI Render and Generate Object) are only available on paid subscriptions.

How AI Credits Work

SketchUp AI runs on a monthly credit system. Every time you generate an image or a 3D object, credits are deducted from your balance. Here’s the breakdown:

Prices from iRender’s 2026 catalogue, excl. VAT. Subject to change.

Each AI tool costs a set number of credits per use:

• AI Render — 5 credits per generated image
• Generate Object — 30 credits per generated 3D object
• Help Assistant — free (no credits required)

Credits are shared across all platforms — Desktop, iPad and Web — so your balance is the same wherever you’re working. Unused credits don’t carry over; your balance resets to full each month on your renewal date.

If you need more than your subscription provides, Trimble offers a SketchUp AI add-on subscription that gives you an additional 1,500 credits per month. This is a separate purchase on top of your existing SketchUp subscription.

What does that mean in practice?

On a SketchUp Pro subscription (150 credits/month), you could generate approximately 30 AI Render images per month — roughly one per working day. Or you could generate 5 objects with Generate Object. Or a mix of both. For most SA designers using AI Render for quick concept visuals during client meetings, 150 credits per month is a comfortable starting point.

AI Render: From Model to Concept Image in Seconds

AI Render (formerly known as SketchUp Diffusion during its beta phase) is a generative AI tool that transforms your active model viewport into a styled, photorealistic concept image. It’s designed for speed — not to replace V-Ray or Enscape, but to produce compelling visuals in seconds when you need them most.

How it works

1. Position your camera. Set up the view you want in SketchUp — an interior perspective, a street-level exterior, an aerial overview, whatever suits your design narrative.
2. Open AI Render. Access it from the SketchUp toolbar or menu.
3. Choose a preset or write a custom prompt. SketchUp provides preset styles (e.g. “modern minimalist”, “warm natural light”), or you can write your own text prompt describing the atmosphere, materials and lighting you want. For example: “late afternoon sunlight, exposed concrete walls, warm timber ceiling, indoor plants, minimalist furniture.”
4. Generate. AI Render processes the viewport geometry and your prompt, then produces an image. This typically takes a few seconds.
5. Refine with in-painting tools. Once you have a generated image, you can use Sketch, Paint and Erase tools to mask specific areas and regenerate them — adding, removing or modifying elements without starting over.

Generated images are saved to the AI Render Gallery within SketchUp, so you can compare variations, revisit earlier options and export your favourites.

When SA designers should use AI Render

• Early-stage client presentations. You’ve got a rough massing model and a first meeting tomorrow. AI Render can produce three or four atmospheric concept images in minutes — enough to convey the design intent without spending a day on materials and lighting.
• Design exploration. Trying to decide between a warm timber interior and a cool concrete aesthetic? Write two different prompts, generate both, and compare them side by side. The turnaround is so fast you can do this in front of the client.
• Competition entries and mood boards. When you need evocative visuals to support a design narrative but don’t have time for a full rendering workflow.
• Social media and marketing content. Quick, visually striking images for your practice’s Instagram, LinkedIn or website portfolio.

What AI Render is NOT

AI Render is not a replacement for V-Ray, Enscape, Twinmotion or any traditional rendering engine. It doesn’t produce technically accurate lighting studies, precise material representations or animation sequences. The output is AI-generated imagery that uses your model geometry as a guide — think of it as a very fast, very capable concept illustrator, not a photorealistic renderer. For production-quality rendering, SketchUp Studio with V-Ray remains the professional choice.

Generate Object: 3D Assets from Text or Photos

Generate Object is the second AI tool inside AI Assistant. It creates 3D objects with photoreal (PBR) materials from either a text prompt or an image you provide. The result is a SketchUp component you can place directly in your model.

How it works

• Text prompt. Type a description like “mid-century modern armchair, walnut legs, charcoal upholstery” and Generate Object creates a 3D model with appropriate materials applied. The output includes PBR textures, so it looks realistic in SketchUp’s viewport and renders well in V-Ray or other engines.
• Image prompt. Upload a photo — perhaps a piece of furniture from a supplier’s catalogue, a light fitting you spotted on site, or a sketch from your notebook — and Generate Object creates a 3D model based on that image. This is particularly useful when you can’t find exactly what you need on the 3D Warehouse.

Generated objects are saved to the AI Assistant Gallery, so you can review, compare and reuse them. Each generation costs 30 credits.

Practical uses for SA designers

• Custom furniture and accessories. When a client specifies a particular chair, table or decorative item that doesn’t exist on the 3D Warehouse, Generate Object can create something close enough for design-stage presentation.
• Supplier catalogue items. Snap a photo of a product from a local showroom or supplier brochure and generate a 3D version for your model. This is especially useful in the South African market where many local products don’t have pre-made 3D models available.
• Quick entourage and context objects. Need a specific type of plant, a piece of art, or an unusual decorative item for a presentation model? Generate it in seconds rather than spending time searching or modelling from scratch.

Tips for better results

• Be specific in your prompts. “Chair” will give you something generic. “Scandinavian dining chair, light ash frame, woven cord seat, tapered legs” will give you something much closer to what you need.
• Use reference images where possible. A clear photo of the object you want produces more accurate results than a text description alone.
• Expect to iterate. The first generation may not be perfect. Refine your prompt and regenerate — at 30 credits per attempt, budget your credits accordingly.

AI Assistant (Help): Free In-App Guidance

The third tool under the SketchUp AI umbrella is AI Help — an in-app chatbot that answers your questions about SketchUp tools, workflows and best practices. Unlike AI Render and Generate Object, Help is completely free to use for all SketchUp subscribers.

Think of it as having an experienced SketchUp tutor sitting next to you. Ask questions like:

• “How do I create a component from selected geometry?”
• “What’s the best way to model a curved wall?”
• “How do I set up scenes for a client walkthrough?”
• “How do I import a DWG file and align it to my model?”

AI Help draws from SketchUp’s official documentation and knowledge base, so the answers are accurate and up to date. It’s a significant time-saver compared to searching through help articles or forum posts — especially for SketchUp users who are still learning the software or exploring features they haven’t used before.

Where to Find SketchUp AI in the Interface

• SketchUp for Desktop (Windows and Mac) — AI Render and AI Assistant are accessible from the toolbar. Look for the AI Render icon and the AI Assistant icon. You can also access them via Window > AI Render or Window > AI Assistant.
• SketchUp for iPad — AI Render is available in the toolbar. AI Assistant is accessible from the panels.
• SketchUp for Web — AI features are integrated into the web interface. The exact location may vary slightly from the desktop version.

Your credit balance is visible inside both AI Render and AI Assistant, so you can always check how many credits you have remaining before generating.

AI Render vs V-Ray: Understanding the Difference

This is a question we hear frequently from iRender customers, so it’s worth addressing directly.

The two tools complement each other rather than compete. Use AI Render for speed during design development, and switch to V-Ray when you need photorealistic accuracy for final deliverables. If your workflow doesn’t require V-Ray at all, AI Render on a Pro subscription gives you powerful visualisation capabilities at a fraction of the cost.

Managing Your Credits Wisely

Credits are a finite monthly resource, so here are some tips for getting the most out of them:

• Set up your view carefully before generating. Position the camera, check the model geometry, and make sure you’re happy with the composition before spending credits. A well-framed view produces better AI Render results.
• Write detailed prompts. Specific prompts produce better results on the first attempt, reducing the need for regeneration. Include materials, lighting, atmosphere and style in your description.
• Use presets when they fit. SketchUp’s built-in AI Render presets are tuned for common design scenarios. If one of them matches what you need, it’ll save you the trial-and-error of crafting a custom prompt.
• Use in-painting instead of full regeneration. If an AI Render output is 90% right but one area needs work, use the Sketch, Paint or Erase tools to fix just that area (5 credits) rather than regenerating the entire image.
• Reserve Generate Object for unique items. At 30 credits per generation, Generate Object is best reserved for items you genuinely can’t find on the 3D Warehouse. Search the Warehouse first — it’s free and contains over five million models. (See our 3D Warehouse guide for SA users.)
• Use Help Assistant freely. It doesn’t cost credits, so use it as much as you want for learning and troubleshooting.

SketchUp Connector for Claude: A Bonus AI Integration

In addition to the built-in AI tools, Trimble has also released a SketchUp Connector for Claude — a way to generate SketchUp files by having a text conversation with Anthropic’s Claude AI. While this is a separate tool aimed at more experimental workflows, it’s worth knowing about as another example of how AI is expanding the SketchUp ecosystem. You can find more information in the SketchUp Help Centre.

Getting Started with SketchUp AI in South Africa

SketchUp AI is included with every paid SketchUp subscription — Go, Pro and Studio. There’s nothing extra to install or configure. If you’re already running SketchUp 2026.1, the tools are in your toolbar right now.

When you buy through iRender, South Africa’s authorised SketchUp Gold Reseller, you get:

• ZAR billing — no exchange rate surprises or credit card forex fees.
• Local support — real human help in your time zone, including guidance on getting the most out of SketchUp AI.
• Personalised training — we’ll walk you through AI Render, Generate Object, prompting techniques and credit management.
• Honest advice — we’ll help you choose the right subscription for your practice.

Ready to explore SketchUp AI?

Start your free SketchUp trial

Or get in touch for a personalised recommendation:
athol@irender.co.za | +27 (0)82 468 0937

iRender (Pty) Ltd | Certified SketchUp Gold Reseller | Centurion, South Africa

Call: +27 (0)82 468 0937 | Email: athol@irender.co.za | Web: www.irender.co.za

Frequently Asked Questions

Q: Is SketchUp AI included with my existing subscription?

A: Yes. AI Render, Generate Object and AI Help are included with every paid SketchUp subscription (Go, Pro and Studio). Each tier receives a monthly allocation of AI credits: Go gets 100, Pro gets 150 and Studio gets 200. There’s nothing extra to install — if you’re running SketchUp 2026.1, the tools are already available in your toolbar.

Q: How many AI credits do I get per month?

A: Go subscribers receive 100 credits/month, Pro receives 150, and Studio receives 200. AI Render costs 5 credits per image, Generate Object costs 30 credits per object, and AI Help is free. Unused credits don’t carry over — your balance resets each month on your renewal date.

Q: Can I buy more AI credits?

A: Yes. Trimble offers a SketchUp AI add-on subscription that provides an additional 1,500 credits per month. This is a separate purchase on top of your existing SketchUp subscription.

Q: Does AI Render replace V-Ray?

A: No. AI Render produces fast, atmospheric concept imagery guided by text prompts — ideal for early-stage presentations and design exploration. V-Ray (included in SketchUp Studio) produces physics-based, technically accurate photorealistic renders with full control over materials, lighting and camera settings. The two tools serve different purposes and complement each other well. Read our Pro vs Studio comparison for more detail.

Q: Does SketchUp AI work on Mac and iPad?

A: Yes. AI Render and AI Assistant are available on SketchUp for Desktop (Windows and Mac), SketchUp for iPad, and SketchUp for Web. Your credits are shared across all platforms.

Q: Where can I buy SketchUp with AI credits in South Africa?

A: iRender (irender.co.za) is South Africa’s certified SketchUp Gold Reseller. All subscriptions — including AI credits — are invoiced in ZAR with VAT-compliant tax invoices and include local support from Centurion, Gauteng.