Composer Autocad Civil 3d Tutorial Pdf: Subassembly

Civil 3D

Autodesk Subassembly Composer (SAC) is a powerful tool integrated with that allows users to build custom, complex subassemblies without needing advanced programming skills. It is primarily used to create unique corridor cross-sections—such as bespoke road lanes, curb-and-gutter systems, or retaining walls—that are not available in the standard Civil 3D library. Core Interface Panels

Automation:

By embedding logic into the subassembly, you reduce the need for manual grading and corridor edits. Subassembly Composer Autocad Civil 3d Tutorial Pdf

Here is a step-by-step tutorial on creating a simple subassembly using Subassembly Composer: Civil 3D Autodesk Subassembly Composer (SAC) is a

  • Link L1 (Gutter Pavement): Connect P1 to P2.
  • Link L2 (Curb Face): Connect P2 to P3.
  • Link L3 (Curb Top Horizontal): Connect P3 to a new P4 (optional back offset).
  • Shape S1 (Pavement Section): Select the closed polygon (P1→P2→P3→P4→back to P1). Assign a material code, e.g., "Concrete".

Step 5: Assign Links and Codes