why would you print this vase mode pen cup —

Founded why would you print this vase mode pen cup models & stl files for printing
Print in Place Ball Bearing
Print_Practical
Modern Skull Pendant
Luiz_Romanhol
Key Hander
Macia
Zombie Pirate
wekster
Skull
locktec
Print in Place Inline3
Turbo_SunShine
Print In Place Inline4
Turbo_SunShine
John 316 Stairway
deltamodulator
Coil holder
Ondrej
Print Flat Bow
3D Printy
Presenter Holder
Max Siebenschläfer
Headphone Desk Stand
3D Try Outs