Curve from two views icon

where do i find the curve from 2 views icon?

-Kevin

In the Curve Tools toolbar:
image

thank you so much!!! i was pulling my hair out trying to find it.

im also looking for the Plastic shade mode icon and the Presentation shading icon.

I am not familiar with anything that fits those descriptions.
Perhaps they are part of some plug-in you have used?

you might be right.