Chinese Scissors Blade Protector, it shields you from accidental stabs or injuries. Very easy to print and useful.

I've added two versions of the scissor protector. Print the one you like. Leave a comment with your favorite.

3D printing settings

Layer height: 0.2
Perimeters:3 
Brim: Yes
Infill: None
Support: None

UPDATE: V2 Model is for fast print in vase mode 10 -12 min

Layer height: 0.2
Layer width: 0.60, or 0,72 max 0.8 whit nozzle 0.4 mm 
Perimeters:1 
Brim: Yes
Infill: None
Support: None