To start with a new sticker you might want to use one of the templates (gimp_template.xcf (gimp format) or inkscape_template.svg (Inkscape format)) or you might want to look at the hexSticker package ...

Vector design Pull push in flat style on white background. Vector design. Shop (cafe) signs with hand writing lettering Push and Pull sticker door sign. Pull Push signboard icon. Stock vector Push and ...