heuristicvalues to try different packing layouts.
paddingvalue to add some extra space around packed images.
Export Imageto get your CSS sprited image. The final generated image will be optimized so an smaller image that the set size will be generated. Images which don't fit into the defined size, will silently be ignored.
ALT + Clickwill extract subimages from the packed result. Try it out.
<number>x<number>. For example 3x3 to create image descriptors for 9 subimages.