Share Email Facebook Twitter LinkedIn Construction Toolbar The Construction and Calculation Commands can be started from the COGO panel on the Modify tab. Note: For enterprise industry models . Intersection. Arc Intersection. Orthogonal Calculation. Polar Calculation. Orthogonal Projection. Snap/Trim. Split. Add Vertex. Remove Vertex. Insert Point. Extract Point. See also Offset. Right Angle Course. Free Standpoint. Center. Join LInes. Parent topic: Construction (COGO)