SPACERS

TO ADD TO "OmniStand Adjustable Filament Spool Stand
by BaronWilliams"
http://www.thingiverse.com/thing:652415

FOR SMALL SPOOLS AS FLASHFORGE ONES
19MM LONG 21 SHAFT
when bed go down it can hit the spool
with the spacer (in black in pics) it is securised

ALSO I ADDED A RING TO SHIFT 49MM SPOOL BY 3MM