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Fork of HakanSeven12/OpenCADStudio (GPL-3.0), patched for embedded job-scoped load/save integration with the CMMS.
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  • Rust 71.9%
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Repository files (latest commit first)
Filename Latest commit message Latest commit date
Hakan Seven 92e32243eb fix(style): new text/mtext/dimension use the current style (#92) 
New annotation entities were created at the entity "Standard" default
instead of the document's current style, so making a style current had
no effect on creation.

- Text / MText: seed the new entity (and the MText editor preview) from
  header.current_text_style_name.
- Dimension: commit_entity_handle fills the new dimension's style_name
  from header.current_dimstyle_name, covering every dimension command
  centrally.

Applied only when the entity is still at its default so an explicitly
styled entity is preserved. MLeader and Table styles need their style
tables modelled first and are left for follow-up.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-14 01:15:52 +03:00
.claude feat: add local settings for Bash permissions 2026-04-30 10:01:17 +03:00
.github fix(wix): show GPL-3 license on installer EULA page 2026-06-12 16:55:09 +03:00
assets chore(assets): drop ACAD prefix from ISO names 2026-06-08 23:11:30 +03:00
docs Add demo_plugin and plugin host integration tests 2026-06-09 13:52:15 -04:00
packaging fix(wix): show GPL-3 license on installer EULA page 2026-06-12 16:55:09 +03:00
src fix(style): new text/mtext/dimension use the current style (#92) 2026-06-14 01:15:52 +03:00
.gitignore chore: rename H7CAD to Open CAD Studio 2026-05-23 17:16:15 +03:00
build.rs Add plugin host architecture and Storm Sewer add-on package 2026-06-09 13:41:21 -04:00
Cargo.lock chore(release): bump to 0.5.4 2026-06-12 14:21:02 +03:00
Cargo.toml chore(release): bump to 0.5.4 2026-06-12 14:21:02 +03:00
COMMANDS.md chore: rename H7CAD to Open CAD Studio 2026-05-23 17:16:15 +03:00
HEADER_AUDIT.md feat: add HeaderVariables audit documentation 2026-05-20 05:57:16 +03:00
LICENSE Initial commit 2026-03-22 14:53:51 +03:00
README.md docs+ci(macos): ad-hoc sign bundle, add Homebrew cask, clarify install 2026-06-04 12:45:58 +03:00
STATUSBAR.md docs: add status bar items roadmap 2026-06-05 00:14:41 +03:00

README.md

Open CAD Studio

A CAD application for 2D drafting and 3D modeling, built with Rust. Reads and writes DWG and DXF files natively.

resim resim2

Features

File Formats

  • DWG read/write (R13 through R2018)
  • DXF read/write (R13 through R2018)
  • STL export (STLOUT / EXPORTSTL)
  • STEP AP203 export (STEPOUT)
  • OBJ import (IMPORTOBJ)
  • PDF export (plot layouts to PDF)
  • WBLOCK — write selected entities or a block to an external file
  • XREF — attach, reload, and auto-resolve external references

2D Drafting

Command Description
LINE, PLINE, RECTANG, POLYGON Basic geometry
CIRCLE, ARC, ELLIPSE, SPLINE Curves
HATCH, HATCHEDIT Hatch fills with pattern, scale, angle editing
OFFSET, TRIM, EXTEND, FILLET Modify geometry (supports lines, arcs, ellipses, polylines, splines)
BREAK, STRETCH, LENGTHEN Shape editing
ARRAY, MIRROR, MOVE, COPY, ROTATE, SCALE Transformations
EXPLODE Explode blocks, dimensions, polylines, mlines
DDEDIT Double-click text editing
MASSPROP Area, perimeter, centroid of selected entities

3D Modeling

Command Description
BOX, SPHERE, CYLINDER Solid primitives
EXTRUDE, REVOLVE Profile-based solids
LOFT Ruled-surface loft through cross-sections
SWEEP Sweep a profile along a path
ARRAY3D 3D array
ACIS tessellation Renders 3DSOLID, REGION, and BODY entities

Annotations & Dimensions

  • Dimensions: Linear, Aligned, Angular, Radial, Diameter, Ordinate — with full DIMSTYLE support (DIMASZ, DIMSCALE, DIMEXO, DIMEXE, and more)
  • Text: MTEXT, TEXT, DTEXT with font browser (STYLE DIALOG)
  • Leaders: MLEADER with straight and spline path types; MLEADERSTYLE manager
  • Tolerances: GD&T feature control frames
  • Tables: TABLE entity render; TABLESTYLE manager
  • MLine: MLINE entity with MLSTYLE manager and EXPLODE support

Paper Space & Layouts

  • Multi-tab layout system with model space and unlimited paper space tabs
  • Viewport projection: Model content correctly projected into paper-space viewport rectangles
  • Camera persistence: View position and zoom saved per layout; restored on file open and tab switch
  • Correct paper size: Physical paper dimensions read from embedded PlotSettings (not drawing limits)
  • Inline MSPACE overlay — enter a viewport with double-click; edit model entities in place
  • VPORTS — preset viewport configurations (single, 2H, 2V, 4-way)
  • LAYOUTMANAGER / LAYOUTPANEL — GUI layout manager
  • PLOTSTYLEPANEL / STYLESMANAGER — plot style table editor (CTB/STB)
  • PRINT — send layout to system printer

Blocks & References

  • INSERT with attribute prompting (ATTREQ)
  • ATTEDIT — edit block attribute values interactively
  • REFEDIT / REFCLOSE — in-place block reference editing
  • XREF — attach, reload, and resolve external DWG/DXF references
  • DATAEXTRACTION — export entity property data to CSV

Snapping & Precision

  • Object snaps: Endpoint, Midpoint, Center, Node, Quadrant, Intersection, Perpendicular, Tangent, Nearest, Insertion, and more
  • Ellipse arc endpoints, LWPolyline arc midpoints, Hatch boundary points
  • Object Snap Tracking (OTRACK / F11)
  • Polar Tracking with configurable angle increment
  • Dynamic Input overlay (DYNMODE / F12)
  • Grid snap with adaptive spacing
  • Command history navigation (↑ / ↓)

Rendering

  • GPU-accelerated via WebGPU (wgpu)
  • 4× MSAA anti-aliasing
  • Orthographic and perspective camera
  • ViewCube with face/edge/corner snapping
  • Wide polylines: LWPolyline and Polyline2D filled strokes
  • Raster images: GPU-textured quad pipeline (IMAGE command)
  • Wipeout: Solid fill masking
  • Complex linetypes: Text and shape elements rendered in linetype patterns
  • White/black entity colors adapt to background luminance
  • Per-viewport background color (BACKGROUND)
  • Visual style selector (Wireframe, Shaded, etc.)
  • X-ray ghost pass for selected wires occluded by geometry

UI

  • Modular ribbon interface — Home, Insert, Annotate, View, Manage, Layout
  • Command line with autocomplete and history
  • Layer Manager with per-viewport freeze columns
  • Properties panel
  • COLORSCHEME — runtime theme switching
  • SHORTCUTS — keyboard shortcuts panel
  • SPLINEDIT — close, open, reverse spline control points
  • UCS icon with 3D foreshortening and axis labels

Installation

Linux (AppImage)

Download OpenCADStudio-*-linux-x86_64.AppImage from the latest release, then:

chmod +x OpenCADStudio-*-linux-x86_64.AppImage
./OpenCADStudio-*-linux-x86_64.AppImage

No installation required — runs directly on any modern Linux distribution.

Windows

Download OpenCADStudio-*-windows-x86_64.exe from the latest release and run it directly. Windows SmartScreen may show "Windows protected your PC" because the binary is not yet code-signed — click More info → Run anyway.

macOS (Apple Silicon)

Apple Silicon (M-series) only; Intel macOS isn't built. The app is ad-hoc signed but not Apple-notarised (notarisation requires a paid Apple Developer ID), so macOS Gatekeeper guards the first launch. Pick whichever path is easiest:

Option A — Homebrew (recommended):

brew install --cask --no-quarantine \
  https://raw.githubusercontent.com/HakanSeven12/OpenCADStudio/main/packaging/homebrew/open-cad-studio.rb

--no-quarantine lets Gatekeeper skip the unsigned-app prompt. See packaging/homebrew/ for publishing this as a brew tap.

Option B — manual .dmg:

Download OpenCADStudio-*-macos-arm64.dmg from the latest release, open it, and drag OpenCADStudio.app to /Applications. If the first launch is blocked, clear the quarantine flag once:

xattr -dr com.apple.quarantine /Applications/OpenCADStudio.app

On older macOS you can instead right-click OpenCADStudio.app → Open and confirm; on macOS Ventura and later, approve it via System Settings → Privacy & Security → Open Anyway.

Build from Source

Requirements: Rust 1.75+

git clone https://github.com/HakanSeven12/OpenCADStudio.git
cd OpenCADStudio
cargo build --release --bin OpenCADStudio
./target/release/OpenCADStudio

License

GPL-3.0-only — see LICENSE