Solution:To create polyline using available points in the drawing do following: 1. Start 3D polyline command (command: '3DPOLY')2. While still in command type'PO ('Point Object' transparent command) in command-line. Apostrophe is important when calling transparent command.3. Click the first point and then on any subsequent points to create the desired line4.
3d Polyline Autocad
Hit Enter key5. The resulting 3D polyline has vertices with elevations that match the selected pointsNote: Points must be COGO points.