FreeChalk Holder
Thingiverse
8 model
Free
FreeBillard chalk holder
Thingiverse
Freepocket chalk holder
Thingiverse
Freeliquid chalk holder/battery/lipstick/anything round holder
Thingiverse
Freeremix Pool Cue Chalk Holder by Fido, published
Thingiverse
FreeDart holder & Chalk
Thingiverse
FreeStick it! pool cue/stick chalk holder
Thingiverse
Freechainholder for 25mm pipe
Thingiverse