Assemblies • Starting an Assembly • Inserting Components • Fixing the first Component • Inserting the Second Component • Moving and rotating components • Coincident Constraint • Distance Constraint • Angle Offset • Parallel Constraint • Normal Constraint • Copying Components with Constraints • Repeating Components with Constraints • Collision Detection • Editing and Updating Assemblies • Redefining Constraints • Change Constraint • Replace Component • Top Down Assembly Design • Creating a New Part in the Assembly • Sub-assemblies • Mirroring Components • Creating Sub-assemblies from a subassembly • Mirroring Sub-assemblies