Modelcore
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Browser-based 3D CAD for fast design iteration.

Model fast, stay in flow, and build solid in a modern, multiplayer 3D modeler: add, subtract, snap, iterate. No installer. No license servers. No 2003 UX.

Request betaTry the demo
Live demo

The full modeling demo is best on a laptop. Open it in a new tab when you are ready to push, pull, snap, and iterate.

Launch demo
Pillars

What you get in the beta

Five surfaces that make up the modeler. Each pillar links to a deeper page.

Architectural model with an active modeling operation preview
Add, subtract, snap, iterate
Modeling

Fast, direct modeling with solid-first defaults.

Layered 3D scene with import and organization controls
Keep the work organized
Scene & imports

Layers, views, scene graph, imports, and site context.

Shared 3D model with multiple collaborator views
Same model, same moment
Multiplayer

Real-time collaboration without file-passing.

3D model showing material and rendering controls
Looks good fast
Materials & rendering

PBR materials, photoreal toggle, and sharp defaults.

3D model connected to code and plugin workflow panels
Built to be shaped
Open & extensible

A JavaScript/TypeScript plugin path for custom tools and workflows.

Proof

Watch Modelcore work.

Fast massing
Shape, iterate, and keep flow.
Beautiful materials
PBR materials that look great out of the box.
Real-time collaboration
Work together without file-passing.

Join the early beta

We're inviting 50 founding members. Free during beta. Active development, informed by in-app feedback.

Request access

Beta covers core modeling + geometry tools. Data may change. Export important work regularly.

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FAQ

A few quick answers

How does the beta work?
Request access, answer a couple quick questions, and we’ll invite up to 50 users in the initial cohort.
Is it really free?
Yes. Free for the initial cohort while we iterate quickly and learn from real projects.
How do I share feedback?
You can share feedback directly with the team via the in-app feedback board (available after you’re signed in).
Is it stable?
It’s early beta. Expect rough edges and changes as we ship. Export important work regularly.