This function is used to connect two ducts with an elbow-spring.
Access to the command over
Command line: _BOSPR_VD
Assistant: 
| Ventilation Service | 
| Elbow jumpt with angle input
Assistant: 
| Heating construction |
This function is used to connect two ducts with an elbow-spring.
The angle can be calculated and modified.
Pick both ducts to be joined executing the function.
The elbow angle can then be changed.
The standard result will join both cross sections with the shortest distance.
Example:
