All Files Optimizing Drawings You can use the Optimize feature to flatten your drawing strokes without changing the aspect of your drawings. This mainly means that transparencies will not be flattened. How to optimize a drawing In the Tools toolbar, select the Select tool. In the Camera or Drawing view, select the drawing strokes you want to optimize. Do one of the following: From the top menu, select Drawing > Optimize > Optimize. From the Camera or Drawing view menu, select Drawing > Optimize > Optimize.