Scaling multiple adjacent faces

Hello, I want to ask something… I have this:

stc=1

And I want to do this:

stc=1

But without scaling face by face… If I select all faces looks like this:

There is some way to resize multiple faces to make like the same face/s but smaller and fit inside? (Sorry for your eyes… english is not my first language)

Attachments


You mean inset(I key)