Gravicode.CAD.Constraint 1.1.0

<p align="center"><img src="assets/icon-128.png" width="96" alt="Gravicode.CAD icon" /></p>

<h1 align="center">Gravicode.CAD</h1>

<p align="center"><b>Enterprise-grade CAD, Geometry, Parametric Modeling, Rendering, Simulation, Interoperability, and AI-CAD Framework for .NET</b></p>

<p align="center">.NET 10 · C# 14 · Rust native engine · MIT<br/> <i>Made by Gravicode Studios, led by Kang Fadhil</i></p>

<p align="center"><a href="README.id.md">🇮🇩 Baca dalam Bahasa Indonesia</a></p>

Why

Gravicode.CAD gives .NET developers one coherent toolkit for the whole CAD pipeline — model, constrain, analyse, manufacture, exchange and render — without leaving C#. It runs anywhere .NET 10 runs (servers, desktop, mobile, the browser through Blazor) and drops into Rust for the hot paths.

var model = Part.Create("Bracket")
    .Param("w", 120).Param("t", 10)
    .Box("w", 80, "t")
    .Holes(8.5, (-48, -28), (48, -28), (-48, 28), (48, 28))
    .Build();

model.Save("bracket.step");                 // STEP AP214
model.ExportStl("bracket.stl");             // binary STL
model.ExportPdf("bracket.pdf");             // 4-view engineering drawing
SoftwareRenderer.RenderToPng(model, "bracket.png");

var model = StepImporter.Import("part.step");   // or CadModel.Load("engine.step")
model.ExportStl("part.stl");

Features

Packages

CLI

dotnet tool install -g gravicode-cad
gcad convert model.step model.stl
gcad info gear.step
gcad render bracket.step bracket.png --view iso
gcad drawing bracket.step bracket.pdf
gcad slice part.stl part.gcode --infill 0.2
gcad generate "Create a gearbox housing with four mounting holes" -o out

Templates

dotnet new install Gravicode.CAD.Templates
dotnet new cad-console -n MyPart      # also: cad-webapi cad-blazor cad-wpf cad-winforms cad-avalonia cad-maui

Gravicode CAD Studio

A full CAD designer built on the library — AutoCAD-style command line, ribbon, layers, snaps and grips, 2D drafting with TRIM/EXTEND/FILLET/CHAMFER and true arc polylines, hatches, blocks, paper-space layouts with viewports and PLOT to scaled PDF/SVG sheets, 3D solids with booleans, picking and move/rotate/scale gizmos, sketch-on-face (extrude adds or cuts) and editable parametric history, 8 templates and 18 samples from 17 industries. Two editions, one engine:

Web (Blazor)	Desktop (Avalonia + ThreeNet)

dotnet run --project studio/Gravicode.CAD.Studio.Web        # http://localhost:5190
dotnet run --project studio/Gravicode.CAD.Studio.Desktop

Installers (Windows setup, Linux .deb, macOS .dmg, plus web-server zips) are on the releases page. Guide: docs/en/Studio.md.

Gravicode.CAD Gallery

Eighteen runnable samples — every one shows its code, its properties and downloads in nine formats.

Web (Blazor + three.js)	Desktop (Avalonia + ThreeNet)

dotnet run --project gallery/Gravicode.CAD.Gallery.Web       # http://localhost:5180
dotnet run --project gallery/Gravicode.CAD.Gallery.Desktop

Architecture

Applications ── WPF · WinForms · Blazor · ASP.NET Core · Console · MAUI · Avalonia
      │
Gravicode.CAD SDK ── Parametric · Constraint · FEM · CAM · AI · IO · Rendering
      │
High-level CAD API ── Geometry (curves, sweeps, CSG) · Topology (half-edge, B-Rep-lite)
      │
Rust native engine ── gravicode-cad-engine (C ABI, IMeshKernel)
      │
CAD kernel ── Core (double-precision math, meshes, CadModel)

See docs/en/Architecture.md.

Documentation

Roadmap: PLAN.md · Status: Progress.md

Building from source

dotnet build Gravicode.CAD.slnx
dotnet test tests/Gravicode.CAD.Tests
dotnet test tests/Gravicode.CAD.Studio.Tests
./build-native.ps1              # optional: rebuild the Rust engine (cargo)

Credits

Made by Gravicode Studios, led by Kang Fadhil. Released under the MIT licence.