File:Hackerspace_FFM_Stamp-1b.png|Vorschlag 1B ([[:File:Hackerspace_FFM_Stamp-1b.svg|SVG]])
File:Hackerspace_FFM_Stamp-1c.png|Vorschlag 1C ([[:File:Hackerspace_FFM_Stamp-1c.svg|SVG]])
File:Hackerspace_FFM_Stamp-1d.png|Vorschlag 1D ([[:File:Hackerspace_FFM_Stamp-1d.svg|SVG]])
File:Hackerspace_FFM_Stamp-2a.png|Vorschlag 2A ([[:File:Hackerspace_FFM_Stamp-2a.svg|SVG]])
File:Hackerspace_FFM_Stamp-2b.png|Vorschlag 2B ([[:File:Hackerspace_FFM_Stamp-2b.svg|SVG]])