Pet bottle stipper, 10-8mm width, the strips can be used to make 3d printer filament, 1.75 diameter, they are used by hand

Printed in white Sunlu pla

10% infill

0.3 layer hight

No support or build plate adhesion helper required

2xM4 screws of any lenght (21mm would be the best) 

1 piece of the blade of a cutter