You may want to bring reference images into your sketch. Grab an image out of the menu, and release it onto your scene. Drop JPG or PNG image files into the following directory: My Documents/Gravity Sketch/Reference Images
A. Go to upper folder
B. Current folder name
C. Show folder: Press to open the folder on your computer screen.
D. Refresh: Press to load newly added images.
E. Hide: Toggle to hide all images from your scene.
F. Navigation: Go to next/previous page.
**Tip: Images are anchored to your perspective by default. To unanchor, grab the image and press edit button(Blue) on your non-drawing hand. Press again to anchor back.
**Tip: You can snap unanchored image to Mirror plane.