Hinged corners

In the OPTIMA system, for formwork of the corners with acute or obtuse angle corners, two types of corners are used.
Hinged corner 15
Hinged corner 30
The adjusting for the hinged corner 30 ranges from 60° to 175°. For the hinged corner 15, the range is from 90° to 175°.
Available sizes of hinged corner 15:
15/60
15/150
15/270
15/300
Available sizes of hinged corner 30:
30/60
30/150
30/270
30/300