Autodesk Civil 3D is the industry standard for civil engineering design, but its default subassembly library cannot cover every real-world scenario. When standard lanes, curbs, and ditches fall short, is the ultimate solution. SAC allows you to visually build complex, parametric, and dynamic smart components without writing a single line of traditional code.
Create new subassembly; set name, description, units.
Look at the Output panel at the bottom right. Fix any red warnings or logical loop errors before exporting. Saving and Exporting Go to File > Save As . civil design 3d subassembly composer tutorial pdf top
Temporary geometry points and links used for calculation purposes that do not render in the final Civil 3D model. The Properties Panel
Before creating logic, you must understand the five primary panels of the Subassembly Composer interface. Autodesk Civil 3D is the industry standard for
Located at the bottom of the screen, this contextual panel changes based on the flowchart item selected. It is where you define mathematical formulas, assign point codes, link targets, and establish hardcoded values. The Preview Window
Once your subassembly layout passes testing in the Preview window, save it out to a compiled format for deployment. Saving the PKT File Create new subassembly; set name, description, units
To start, launch the Subassembly Composer from the Autodesk Civil 3D menu. You can also access the software from the Windows Start menu.
: Forces a point to follow an alignment, feature line, or survey figure.
: Open the standalone application from the Windows Start menu. Define Parameters
User-defined properties (e.g., LaneWidth , PavementDepth ) visible in the Civil 3D Properties palette.