Oversize Donut-Topped Filament Channel

My filament would chatter when it rubbed against the sharp edge of the standard filament channel included with the filament holder for the "Original Prusa i3 MK3 ENCLOSURE -Ikea Lack table - Prusa Research". I designed this slightly oversized 'donut-topped' filament channel to eliminate any sharp edges catching the filament and provide more room for the filament to flex under maximum deflection when the extruder goes to the extremes of the X-axis. I printed it in a slicker material (IC3D Black