New drawing
Save
⌘S
Menu > File > Save
Open
⌘O
Menu > File > Open
Import photo
⌘I
Menu > File > Import photo
Export as png
To export the drawing as a flattened .png
⌘E
Menu File > Export as png
Export layers
To export the drawing as a folder of layers
⌘O
Menu > File > Open
Export with transparent background
1 - Draw on a layer above the paper layer (you can merge all layers into one to get your complete design)
2 - Choose "export layers” in export options.
3 - In your export folder, you will find your drawing layer on a transparent background, separated from the background paper layer.
Print
Press Cmd + P or click in the menu on File then Print
⌘P
Menu > File > Print