Get/knock/lick something into shape
Definition 1 of 2
Pro Tip 1/3Improvement Process
Refers to a process of continuous improvements, not a one-time fix. 
The draft was rough, but we're going to get it into shape with edits.
Pro Tip 2/3Project Focus
Commonly used when talking about projects, plans or non-physical entities. 
Our business strategy needs to be knocked into shape before the board meeting.
Pro Tip 3/3Casual Use
Often used casually in conversation rather than formal writing. 
Your essay's good, but let's get it into shape before you submit it.