Fenestra

Fenestra is a spatial AI-powered visualisation platform built for architects and interior designers who want to turn ideas into powerful visuals—fast. Whether you're presenting to clients, pitching a concept, or exploring design options, Fenestra helps you communicate spatial ideas clearly and beautifully. Fenestra makes Generative AI accessible, designed to fit into the architects workflow seamlessly. Entirely web based to ensure you can access leading AI models from anywhere.

Built by designers for designers, Fenestra fits directly into the architectural workflow—transforming sketches, 3D models, moodboards, or site photography into polished renderings in seconds. From quick design studies to high-impact client visuals, Fenestra gives you expressive, professional-quality outputs with minimal effort.

Features:
- Sketch to Render: Upload hand-drawn sketches and generate polished, atmospheric visualisations.
- 3D to Illustration: Import FBX, GLB or 3DM files, define views and reimagine interiors and exteriors 3D models as illustrations
- Style Customisation: Create visualisations in any style, watercolor, sketch, realism or create your own by brining your own style as reference for Fenestra.
- Enhance Images: Take your existing renderings to the next level by enhancing them, adding additional detail and realism. Take your AI generated images and sharpen their quality.
- Video Rendering: Animate any still—transforming illustrations or realistic renders into high-fidelity animated walkthroughs in seconds.
- Conversational Edits: Use natural language prompts like “make it snow” or “change the facade to timber” to edit and iterate effortlessly.
- Moodboard-to-Visual: Combine 2D imagery, 3D models, and sketches in a shared canvas to collage and generate stunning, presentation-ready visuals.

Fenestra is already used by architects in industry leading practices, helping teams unlock faster, richer design communication. Whether you're crafting concept sketches, adding details or issuing final client visuals, Fenestra gives you speed, quality and flexibility to bring your ideas to life.

Try it now for free at https://fenestra.app