Click on the icon Import drawing and insert the desired image via Explorer.
-> The dialog box Extraction of the part is opened with the imported image.
There are different methods available. Fast and comfortable is the Segmentation method. It is sufficient to say: „This is the part“ (green) and „This is the background or a hole“ (purple). The preview will immediately show the result.
Transfer the sketch into the cube and perform a Sketch search (2D).