Rendering Software for Architects
Built for how architects actually work — not for VFX pipelines. Turn sketches, CAD drawings and 3D models into photorealistic renders in seconds, with full control over materials, light and framing.
What Is the Best Rendering Software for Architects?
The best rendering software for architects is the one that fits the way an architectural practice works: fast enough to use during design, accurate enough to keep your geometry, and simple enough that you are not maintaining a render farm. Fenestra is AI rendering software for architects and interior designers — upload a sketch, a CAD drawing or a 3D model and get a photorealistic architectural render in seconds, in the browser.
Plans start at $10/month for around 200 renders, with a Pro tier at $35/month for roughly 1,000 renders. There is no render engine to license, no GPU to buy and no plugin to configure.
Trusted by practices and schools of architecture
From Line Drawing to Photorealistic Render
The same building, rendered from a simple linework sketch. No 3D model, no material setup.
One Studio, the Whole Rendering Workflow
Everything an architectural practice needs to get from concept to client-ready imagery.
Direct It in Plain English
Render From Any Input
Hand sketches, CAD drawings, elevations, viewport grabs or 3D models in FBX, GLB and 3DM. Whatever stage the project is at, it can be rendered.
Direct It in Plain English
Change materials, move the sun, switch season, add people or strip back clutter by describing the change. Refine precisely with masking and layers.
Enhance to Presentation Resolution
Sharpen and upscale renders for boards, planning submissions and print without re-rendering the scene.
Animate the Walkthrough
Turn any render into a cinematic animated flythrough with camera presets — no keyframing, no video software.
Traditional Render Engines vs AI Rendering Software
Traditional architectural rendering software — V-Ray, Lumion, Enscape, Twinmotion, D5 Render, 3ds Max — asks you to build a complete 3D model, assign materials, light the scene, then wait for a render to resolve. That pipeline produces excellent results and remains the right tool for final construction-stage imagery.
The cost is time. Most of a project's visual decisions happen long before a model is presentable, and that is exactly when traditional rendering is least usable.
Fenestra fills that gap. It renders from whatever you already have — a napkin sketch, a plan, a massing model, a viewport screenshot — and returns a presentable image immediately. Architects typically use it alongside their existing engine rather than instead of it: Fenestra for design development, iteration and client conversations; a traditional engine when a scene has to be pixel-exact.
How to Render an Architectural Project in 3 Steps
The same workflow whether you start from a hand sketch, a CAD drawing or a finished 3D model.
1. Upload your drawing or model
A hand sketch, a CAD drawing exported as PDF or image, an elevation, a viewport screenshot, or a 3D model as FBX, GLB or 3DM from Revit, Rhino, SketchUp, ArchiCAD or AutoCAD.
2. Describe the render
Write the materials, time of day, lighting and setting in plain English, or apply a saved studio style so the output matches the rest of the project.
3. Generate, refine and share
Render in seconds, then refine with masked edits, upscale to 8K for client delivery, or animate the still into a cinematic flythrough.
Why Practices Choose Fenestra
Rendering that keeps pace with design rather than trailing behind it.
Renders in Seconds
Fast enough to use inside a design review, not just after one.
Your Design, Preserved
The geometry you upload is the geometry that gets rendered. No generic AI reinterpretation of your building.
Nothing to Install
Runs in the browser on any machine. No GPU, no licence server, no plugin compatibility to manage.
Works With Your Stack
Sits alongside Revit, Rhino, SketchUp, ArchiCAD and AutoCAD instead of replacing them.
What Architects Actually Need From Rendering Software
- Speed during design, not after it. A render that takes an hour cannot participate in a design discussion.
- Geometry that survives. Your building should still be your building. Fenestra respects the structure you upload rather than reinventing it.
- Control over the result. Materials, time of day, weather, season, mood and framing are all directable in plain English, then refinable with masking and layer editing.
- No infrastructure. Everything runs in the browser. No GPU, no licence server, no plugin version to keep in step with your CAD release.
- Output that covers the whole presentation. Stills, enhanced high-resolution images and animated flythroughs from one place.
Gallery
See what you can create with Fenestra.
Trusted by architects and design teams
How practices use Fenestra to produce client-ready renders without a traditional render pipeline.
“Great tool for initial concepts. We provide new house and land packages and use Fenestra to update external colour scheme facade renders and floor plans for marketing purposes. Fenestra is a quick way to provide the images to clients to visualise their new home.
“Fenestra is a great tool and works really well for us. We’re using it to help establish a new internal standard for visualisation across the office, making it easier for high-quality visuals to become part of our standard project package.
“What sets Fenestra apart is the people behind it. The team is always available, genuinely listens to user needs, and provides a level of support that is responsive, approachable, and highly professional.
Rendering Software for Architects: Common Questions
What practices ask before switching part of their rendering workflow to AI.
Rendering Workflows by Software
See how Fenestra fits the tools your practice already runs
Revit Render with AI
Render Revit BIM models photorealistically without a render engine setup
Rhino Render with AI
Import .3dm, .glb or .fbx and render Rhino models in seconds
Render in SketchUp
Turn SketchUp scenes into photorealistic renders and animations
Sketch to Render AI
Convert hand-drawn and digital sketches into photorealistic renders
