its cabinet stopper 

shorter has 6mm peg in lenght 

longer has 7mm peg

both have diameter of ±4.95 mm

printer: creality ender 3 v3 KE

SETTINGS

:infill 100%

:speed to your liking but i recomend from 200 to 500

:layer height 0.1-0.15

:support optional

im a new designer so if you got any sugetions please comment them 😁