Concrete Fence With Gates v1.1.0.0

Price of Two-segment Fences: 350 $
Gate Price for a Two-segment Fence: 800 $
Price of Three-segment fences: 550 $
Gate Price for a Three-segment Fence: 1000 $

Changelog 1.1.0.0:
- Added gates for two-segment fences
- model has been improved