All Files Warping a Drawing with the Envelope Tool You can warp your drawings using the Envelope tool. How to warp a drawing with the Envelope tool In the Tools toolbar, select the Envelope tool from the Contour Editor drop-down menu. Select a drawing from the Drawing Thumbnails panel. In the Drawing view, select the region you want to deform Click and drag the different anchor points and handles to deform the image. To display more controls, in the Tool Properties view, click the Show Advanced Controls button. Increase the height and width of the grid to get more control points to deform your image.