Transmission Tower tools are set of useful which help in design and modeling Transmission from scratch. Kindly note, before installing version 3.0, please uninstall previous version of this package and 'Transmission Tower collection' version if installed already. These are the most user-friendly set of macros for designing and modeling Transmission tower. This set of Transmission Tower tools contains new tools from Version 3.0 onwards: 1.Tower Line Tool, 2.Tower View Creator, 3. Tower Member, 4. Tower Bent Member, 5. Tower Bent Plates, 6. Gage Line, 7. Gage Line by Point, 8. Clip off Cut, 9. Plan Cut, 10. Back Cut, 11. Flange Cut, and 12. Cut Open Angle More components for transmission towers are: - Arm vertical brace: creates vertical braces in tower arms- Arm diagonal brace: creates diagonal bracing in tower arms- Leg Bent plate: creates a bent plate to bolt the arms to the main legs of the tower. These extensions are not working for US imperial environment.