hi all I took the class d amplifier design from here to make as a project but I can do it as i need a Gerber files , im in Rsa.

 

Hello,

Have a look at this tutorial:
https://learn.sparkfun.com/tutorials/beginners-guide-to-kicad/all#exporting-gerbers

Bertus

 

In Menu: FILE > PLOT

 

There are so many tutorials out there on the subject, both written and YouTube versions.
They will all work in RSA BTW!
Max.