Shaun is a Scottish architectural designer and the founder of Fenestra, an AI rendering platform for architects and interior designers.
In architecture he has practised at HASSELL and John Wardle Architects, worked on AR/VR at Meta Reality Labs, and co-founded iheartblob, an experimental architecture collective known for its explorations into mixed reality and digital design.
He has taught at UCLA's School of Architecture and Urban Design, and his work has been exhibited internationally at institutions including the V&A Museum, MAK Vienna, and the Tallinn Architecture Biennale, where he co-designed the world's first blockchain-enabled pavilion.
Articles by Shaun McCallum

Hailuo 3 vs Seedance 2 for architectural animation
The same three prompts and input frames run through both video models. Compare Hailuo 3 and Seedance 2 on keyframes, camera motion, resolution and audio for architectural and interior animation.
Aug 4, 2026
One room, many realities
A controlled AI architectural rendering workflow for exploring lighting, materials, and mood without losing the underlying interior design.
Jul 28, 2026
Introducing New Drawing Styles!
Brand new AI styles in Fenestra, including marker, crayon, ink, pastel, stipple, loose pencil and many more. Create renders that represent you.
Jul 21, 2026
Edit Area Is Unlimited!?
Learn how to edit images with AI in Fenestra using prompts, sampled textures and reference images while preserving fine details in 4K and 8K.
Jul 14, 2026
Nano Banana 2 Lite Is Now Available in Fenestra
Nano Banana 2 Lite is now available in Fenestra. Generate architectural visuals faster for just 3 credits, then refine your best ideas in 2K or 4K.
Jul 7, 2026
How to Create Interior and Architectural Animations with AI
Turn a single render into a cinematic interior or architectural animation. Use LTX 2.3 and Seedance 2.0 Mini in Fenestra to create walkthroughs, flythroughs and ambient project videos without a 3D model or render farm.
Jun 30, 2026
How to Make a Scrolling Website for an Architecture Project
Create a scrollable architecture project website from your renders and video clips. Use Fenestra to make short architectural videos, then share them as an interactive link.
Jun 23, 2026
Is conversation the next 3D modelling tool? We tested AI modelling in Rhino
We tested AI 3D modelling in Rhino, driving geometry by conversation, then rendering in Fenestra. Where text-to-3D works, and where it doesn't yet.
Jun 16, 2026Fenestra 101: Sketch to Render, Virtual Staging and AI Editing for Architects & Interior Designers
Watch our Fenestra 101 webinar covering the basics of AI rendering for architects, including sketch to render, virtual staging, adding furniture, editing images, removing objects and refining design ideas.
Jun 9, 2026
Stop making AI slop. Make something only you can.
How you can make your renders unique. AI made photoreal rendering instant, drawing, not realism, has always been the real work in architecture.
Jun 2, 2026
One image, three directions
A faster way for studios to land design decisions. Take one image, push it in three directions, then refine. The render workflow that wins client meetings.
May 25, 2026
Fenestra 101: Our First Webinar
Join us June 3rd for Fenestra 101, a hands-on intro to using AI in architecture and interior design. Image generation, 2D and 3D inputs, video, and more. 30 seats only.
May 11, 2026
AI will design all architecture.
From first prompt to competition board — how architects can use GPT-Image-2 and Fenestra to design, test materials and document faster. A real workflow, step by step.
May 4, 2026
GPT-Image-2 is a serious contender for best editing model
GPT-Image-2 brings strong prompt adherence and deep contextual understanding for architecture — from single-image edits to full competition boards and multi-view triptychs.
Apr 27, 2026
Seedance 2.0 now in Fenestra
Generate cinematic 720p architectural animations with automatic audio, sharper prompt adherence and cleaner interior to exterior transitions
Apr 20, 2026
Create, edit, enhance and animate in Fenestra Studio
Learn how to create, edit, enhance and animate images with AI in Fenestra Studio. Explore architectural rendering workflows, interior design tools, and realtime visualisation tutorials.
Apr 13, 2026
Realtime AI Image Generation for Architecture and Interiors
Realtime AI rendering in Fenestra Studio. Like Nano Banana 2 but much faster. Move the camera or change a material and the render keeps up at 15+ FPS.
Mar 30, 2026
AI will replace some architects. Not the ones using it properly!
AI is not replacing architects, but it is changing who succeeds. Designers who understand how to use AI will move faster, explore more, and gain a real advantage.
Mar 23, 2026
Can AI Draw 2D Architectural Drawings?
Testing Nano Banana 2 to see if AI can generate architectural elevations, diagrams, and sections from a single image.
Mar 16, 2026
Renders, Diagrams, Animation.
A simple workflow for creating project visuals and animations using Nano Banana 2 and video generation in Fenestra.
Mar 9, 2026
Simple prompts work best. Work iteratively.
Short, simple prompts often outperform long, verbose ones in architectural AI workflows. Learn how to get more reliable results from Fenestra and modern generative models.
Feb 23, 2026
Wake Up New Seedance + Qwen Dropped
Discover how Seedance 1.5 Pro and Qwen Image Edit 2511 make it easy to edit images, change views, and turn still visuals into animated videos with audio inside Fenestra.
Jan 12, 2026
How to use Nano Banana Pro for Interiors & Architecture
Learn how to use Nano Banana Pro inside Fenestra to turn 2D plans into spatial interior and architectural visualisations, including top-down and eye-level renders.
Nov 24, 2025
5 Nano Banana 2 (Pro) Prompts for Architecture & Interior Design in Fenestra
Nano Banana 2 is now live in Fenestra with native 1K, 2K and 4K output. Try 5 high-performing prompts for interiors, exteriors and cinematic shots using Nano Banana Pro inside Fenestra.
Nov 20, 2025
One Click 1080p Video Renderings
Create cinematic 1080p video renderings in Fenestra with one click using Seedance 1.0 Pro and Lite. Combine Nano Banana, Flux Krea Dev and Flux Kontext to create high-quality stunning interior design visuals without the complexity.
Oct 27, 2025
Add Anything: Bring Furniture, People, and Materials Into Your Interiors with Nano Banana
Add Anything is a new Fenestra AI workflow that lets architects and designers add furniture, people, or materials to interiors using Nano Banana.
Oct 20, 2025
Interior Design Reinvented: Nano Banana Meets Fenestra
Use Nano Banana in Fenestra AI for interior design. Try 5 expert prompts to swap furniture, add people, change lighting, and create stunning archviz.
Sep 15, 2025
Axonometric Illustrations with Fenestra x Nano Banana
Use Nano Banana in Fenestra to turn renders into axonometric illustrations and physical models. Exact prompts, workflow steps, and pro tips. Really easy to use and helpful in creating new visual identities for rendering.
Sep 8, 2025
Nano Banana x Fenestra
Discover how Fenestra’s Nano Banana AI model helps architects and designers explore forms, materials, and moods faster than ever.
Sep 1, 2025
Sketch → Render in Minutes
Turn sketches, scribbles, or 3D model screenshots into stunning, photo-realistic architectural renders in minutes with Fenestra’s Sketch → Render workflow. Perfect for fast design exploration.
Aug 11, 2025
Create Consistent Views In Fenestra
Turn one architectural render into five consistent views — perspective, aerial, axo, model, and animation — using AI in Fenestra. No extra tools needed.
Jul 7, 2025