Corner Supports/Corner blocks

The connections are rigid and can be disassembled.

Corner blocks can be made of plastic with tapped M10 holes suited for connections with M6 fasting points.

 Examples:

Corner blocks can use be made of plastic with tapped holes or wood with threaded inserts

Corner blocks of plastic with tapped 
M10 holes 
Corner block linked to M6 inserts
Corner block of wood with M10 inserts
Linked to M6 inserts

Corner blocks of plastic linked to slidee nuts in Al-profile and M6 inserts in panel