how to create mouse in catia

please follow below steps to create mouse by very simple steps.
file is here.

  1. Step 1:

    01.go to sketch choose one plane and create mouse profile(side view)

  2. Step 2:

    02. again create sketch in another plane(front view)

  3. Step 3:

    03.go to combine commond and choose both profile

  4. Step 4: create one plane tangent to surface.

  5. Step 5:

    05.create profile for botton of mouse (as per your design)

  6. Step 6:

    06.after pad just give finish look to botton (like radius/chamfer as applicable)

  7. Step 7: choose union trim operation and choose top face as keep face

  8. Step 8: for scroll go to sketch create a profile for scroll

  9. Step 9:

    09.just pad it with mirror on

  10. Step 10:

    10.choose assemble operation for scroll and your mouse is ready