Have you tried poking it with a stick?
100 products with this design
Maker definition.
111 products with this design
Polycaprolactam (Nylon 6) molecule.
112 products with this design
DRV8825
108 products with this design
DRV8825 (no text).
111 products with this design
Print me like one of your french stls.
115 products with this design
608ZZ
107 products with this design
608ZZ (no text).
111 products with this design
steps-per-mm Round Logo
167 products with this design
J-HEAD
110 products with this design
J-HEAD (no text).
115 products with this design
Recyclable Resin Identification Code ∞ Everything
112 products with this design