AutoCAD · Civil 3D · AutoLISP
Drafting tools and tutorials from a working civil engineer.
Short, practical guides to AutoCAD and Civil 3D automation, plus the AutoLISP tools behind them.
TerraDraft
One toolset, two editions. Start free, upgrade if you need more.
FREE
TerraDraft Lite
7 tools
7 free civil drafting tools. Installs as a normal AutoCAD plugin: drop one folder in place and restart. Tested on AutoCAD 2025.
- MPL — Draw one polyline and get the whole parallel set.
- MPLSYNC — Rebuild the parallel set after you edit the master polyline.
$34.99
TerraDraft Pro
11 tools
11 tools for civil, survey and site drafting, including 3 reactive tools that update your drawing automatically. One-time purchase.
- Auto-sync — Parallel lines rebuild themselves when you edit the master.
- Named presets — Save a setup once and use it in any drawing.
- Per-line layers — Put each line of the set on its own layer.
- MPLADD — Turn existing polylines into a parallel set without redrawing.
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Short screen recordings that show each command working on a real drawing.