Interior designers
Sketch space plans fast and show clients every design detail at a glance.
3D world platform · runs right in your browser
Create your 3D world
A powerful 3D creation tool. No installs — open your browser and start editing.
About DeepCosmo
An intuitive, fully online 3D creation platform
DeepCosmo lets you build virtual spaces freely and share your 3D worlds with others. No software to install — open your browser and start your creative journey anytime.
Model editing
Build any 3D shape you can imagine, from simple blocks to complex structures.
Scene building
Freely combine spaces and layouts to assemble your own virtual world.
Lighting & render
Realistic light and shadow with stunning 3D visuals.
Who it is for
From individuals to teams, one platform for every project
Whether you design, present or teach, DeepCosmo gives you a 3D creation tool that is always within reach.
Homeowners & buyers
Test layouts, furniture and colors in the browser before renovating or buying.
Educators
An install-free 3D classroom tool — let students build and experiment hands-on.
3D enthusiasts
From your first wall to a complete world, bring every idea to life with zero barriers.
Workflow
One path, from idea to a world you can visit
Create, publish and step into your own design — DeepCosmo strings the whole process into a straight line.
Live demo
This is the editor you are about to use
It is running live on this page — click Open and try it yourself.
Editor features
Built-in tools, ready out of the box
Parametric parts and smart tools — walls, roofs, furniture and terrain. Build whatever you want.
Built-in
Smart walls
Straight or curved walls with snapping, alignment and smart joins that keep structure accurate.
Built-in
Parametric roofs
Pitched roofs, gables, dormers and ridges that automatically fit your walls.
Built-in
Furniture & materials
Built-in furniture and appliance catalog — drag in and adjust materials and size.
Built-in
Multi-level floors
Slabs, stairs and ceilings fully support multi-story buildings. Build as high as you want.
Built-in
Terrain & site
Sculpt brushes to raise, lower and flatten terrain, then place your building precisely.
Built-in
Blueprint rendering
An ink-edge architectural viewport with soft studio lighting — presentation-ready output.
Drag interactions
Zero learning curve: select, drag, type parameters — everything updates in real time.
Snapshot export
Export a high-res building snapshot with one click, ready for proposals or documents.
Real work
See what people are building
Every house was carefully built by someone — start with one wall, publish, and the whole world can see it.
FAQ
Questions you might ask before starting
Not at all. DeepCosmo runs entirely in the browser — no downloads, no installs. Open the page and start creating.
Start building your architecture now
Create an account and build your first 3D world, starting from a single wall.