Spool Holder Endless Free 3D print model

I designed this endless filament spool holder in FreeCAD! It consists of three different parts: a rod, connector and a stand.By connecting them to each other, you can create a very long spool holder!

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My PLA Simplify3D print settings:

• 3600mm/minute (60mm/second)
• hotend 185°C | bed 50°C
• 250 micron | infill 15%
• 3 top layers | 3 bottom layers | 3 outline layers
• brass nozzle 0.35mm
• extrusion width 0.44mm
• retraction 1.00mm
• extrusion multiplier 0.95
• coasting 0.30mm
• wipe distance off
• fan 75%
• only support needed when printing the connectors