SummarySpool holder for top rail of Lulzbot Taz 4 or 5 or any printer with a 20mm rail. files include 2 versions. Version 1 does not have a rail lock. version 2 utilizes a lock key to secure the holder to the rail. no screws or bolts required. i have included a files for spool rod but a 1/2" pvc cut to 156.5 mm works also. Simpler solid version without inctricut cutouts can be found at http://www.thingiverse.com/thing:1343314 File Descriptions: filholder_Setwithrod : full set of version 2 with a spool rod filholder_Setnorod : full set of version 2 without spool rod sideA_V2 : single piece version 2 ( Side A ) SideB_V2 : single piece version 2 ( Side B ) SideA_key_V2 : single piece version 2 ( Side A lock key ) SideB_key_V2 : single piece version 2 ( Side B lock key 'same as side A' ) rod : single piece ( spool rod ) set_V1 : Set of version 1 " no key locks " sideA_V1 : single piece ( Version 1 Side A ) SideB_V2 : single piece ( Version 1 Side B )Print SettingsPrinter Brand: LulzBotPrinter: TAZ 5Rafts: NoSupports: YesResolution: .2Infill: 15 percentNotes: supports only needed in rod notch when printed in the default orientation with flat side down.Post-PrintingTime Lapse printTime lapse print