first cnc and my first catia design

Router 3 hp work area x= 650 mm y =650 mm z= 200 mm
It will have 2 work surfaces deep and flat
All the gantry is 4x4 box frame 3mm thickness
The rails is 20mm Stainless Steel with Linear Bearing 20mm
The aim of this design
1 - the ability to disassemble the machine easily
2- the ability to use 2 work surfaces deep and flat the deep surface well be equipped with Cooling pump
These is the best design I can do for Egypt no rails or supported rails and the
Precision Machining is a myth