You can find the item Drawing Pad as Picture in the File menu, Export. Here, you can specify the scale (in cm) and the resolution (in dpi) of the output file. The true size of the exported image is shown at the bottom of the window.
When exporting the drawing pad as picture you can choose out of the following formats:
Related Topics
5.1. Printing
PNG – Portable Network Graphics
EPS – Encapsulated Postscript
SVG – Scaleable Vector Graphic
EMF – Enhanced Meta Format
PSTricks