Design a high speed reduction gearbox

Job ID: 32868040

Budget: $250 – $750 AUD

Hi.
I need to design a high speed reduction gearbox to reduce gas turbine speed 15,000 to 1500 RPM
Input power 1MW
Input speed 15,000 rpm
Output speed 1500 rpm (10:1)

I would like it to be double helical reduction with double counter shaft to eliminate side thrust
I need
detailed calculations
3D model in Solid Edge, solid works or AutoCAD
Step files for CNC machining