This is a 70mm MECANUM WHEEL.

3D Print Parts (1 wheel):
wheel.stl / wheel_mirror.stl x 2
roller.stl x 1
core.stl x 1
axis.stl x 1

Metal Parts (1 wheel):
M3 x 25mm PM Screw x 3
M3 Nuts x 3
M3 Spring Washer x 3

You can custom you-self by f3d file (Fusion 360 format)