Simple pen holder for 4 STAEDTLER Lumocolor 351 whiteboard markers (remixed) by SvenRau on Thingiverse: https://www.thingiverse.com/thing:7344355

Summary:
Pen holder for 4 STAEDTLER Lumocolor 351 whiteboard markers Since I don't have an IKEA Board, or a surface that works well with magnets, I remixed sfi25's thing to work with simple double-sided tape.