Linea is easily one of the best iPad apps to use with Apple Pencil ... image in Photos for reference or take notes from source material in Safari or other apps. Linea Sketch 2 also adds Drag ...

After a while, I moved on from tracing to drawing from a reference image placed beside ... This helped me create the light beam in the pencil sketch of three-dimensional shapes and the reflections ...

Click on the picture and go to the Picture Format tab. The picture is converted into a pencil sketch. Now save the picture as a file by right-clicking the picture and selecting Save as Picture ...