I based my blueprints on screenshots available here : 

https://github.com/AmarOk1412/GLaDOsReplica/tree/master/Inspiration

2 others awesome projects which inspirate GLaDOs for RORI : 

And 

Then with The Gimp 2.8 I create the blueprints (https://github.com/AmarOk1412/GLaDOsReplica/tree/master/Plans%202D)

All .xcf files are available in the subfolder 'xcf & brouillons'

GLaDOs blueprints : 

The Base : 

The high part of the base:

The high shell:

The cylinder for the LED:

The shell for the down part:

The head: