Summary This is a spool / reel holder for spools with smaller holes, such as the Taulman spools with a hole diameter of 19mm. I used humberto's hook part and wedge and redesigned the bar to fit the smaller spool. Print Settings Printer Brand: Ultimaker Printer: Ultimaker Original Rafts: No Supports: Yes Resolution: 0.15 mm Infill: 30% Notes: Optional: Use the wedge from humberto to lock the spool holder in place. How I Designed This Designed in Sketchup 2015 with Solid Inspector plugin and STL export plugin.