Kitchen sink slip washer

Rebuilding your kitchen sink? well when you go to put it back together there is/was a cardboard slip washer to go between the nut and rubber gasket. allowing the nut to spin freely without catching on the rubberized gasket and keeping you from getting the proper torque. rubber gasket toast? print in tpu or ninjaflex and scale down about %2. Longevity is unknown as a gasket.  use putty or silicone to secure basket strainer to sink, then underside is gasket slip washer then nut. 

Printed as Slip washer Pla %50 or more infill takes about 35 min

Printed as gasket scale down %2 or so use rubberlike material