From XMPP WIKI
- Conversations, Bruno, prosody booth at Chemnitzer Linux-Tage 2016 (German).
- XMPP server guide 2017 (first used at FOSDEM'17)
- PDF download: https://xmpp.org/images/promo/xmpp_server_guide_2017.pdf
- Die-cut logo (roughly 2x2 inch)
- Take an image of the logo, like the one on https://github.com/xsf/xmpp.org/blob/master/xmpp.org-theme/static/images/xmpp-logo.svg
- Upload at https://www.stickermule.com/ and select the die-cut logo option