Tuts+ Tutorial: Practical UI Design With Sketch
Instructor: Adi Purdila
Sketch is an incredible application for graphic design. It has unique features which will make your job a lot easier -- whether you're a UI designer or a product designer. Sketch is a really flexible and powerful application so learning it will allow you to create awesome designs, really fast. Let's get you started!
The source contains a single .zip file with the Admin-UI.sketch document.