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A 3D design editor that lives on your machine.

MeshySmith is a fast, browser-and-desktop 3D modeller for makers, classrooms, and prototyping. Drop primitives, fillet edges, cut holes with booleans, import STL meshes, and export to STL or OBJ — without ever signing in.

Open the web editorDownload desktop app
  • Web · Windows · macOS · Linux
  • 16 primitives, fillet & chamfer
  • No account, no telemetry
  • AGPL-3.0
About

Tinkercad's loop, your machine.

MeshySmith is a free, open-source 3D design editor that runs entirely in your browser or as a native desktop app. It targets the satisfying loop popularised by Tinkercad — drop a shape, dial in dimensions, cut a hole, group it, export an STL — while staying local-first (designs never leave your machine), open source under AGPL-3.0, and installable as a real desktop binary for Windows, macOS, and Linux.

No accounts, no cloud lock-in, no subscription. Self-host it for your fab lab in one Docker command, or just open the web editor and start designing.

Features

Everything you need for a fast 3D sketch.

Drop, fillet, hole, group, export. The MeshySmith editor is built around the high-traffic actions and gets out of the way the rest of the time.

16 primitives, 5 categories

Basic, Curved, Polyhedra, Mechanical, and Type — including gears, capsules, torus knots, and extruded text.

Fillet and chamfer

Round or bevel box edges with a smoothness control. Survives boolean operations and STL/OBJ export.

Solid / hole booleans

Mark any shape as a hole, group with solids to subtract. Boolean intersect is one click. Powered by Manifold.

STL in, STL or OBJ out

Bring outside models in for further edits. Export selected shapes or the whole scene for 3D printing.

Fusion-style ViewCube

26 click zones (faces, edges, corners), drag-to-orbit, and a perspective / orthographic toggle.

Light, dark, and system themes

Crisp UI in any lighting. The 3D scene background, grid, and ViewCube all retheme together.
Pricing

Free, forever.

MeshySmith is open source under AGPL-3.0. There's no paid tier. Self-host it for your fab or classroom — just keep modifications open if you serve them over a network.

Open source

AGPL-3.0

Everything in MeshySmith. No tiers, no upsell, no telemetry.

$0forever
  • 16 primitives across 5 categories
  • Fillet, chamfer, and boolean operations
  • STL import, STL and OBJ export
  • Fusion-style ViewCube + ortho mode
  • Native desktop app (Win / macOS / Linux)
  • Docker self-host bundle
  • Light, dark, and system themes
  • No account, no cloud, no telemetry
Open the editorDownload desktop app