How to generate a sphere mask in material without using the existing SphereMask node?

[walemmlis]

Is it possible to generate a sphere mask as below without using the existing SphereMask node?

[ClockworkOcean]

Texture? ( it’s a circle you have there… )

[Supremative]

If you mean a circle:

My Products

[walemmlis]

Indeed, it’s a circle.

[walemmlis]

@Supremative , That’s exactly what I’m asking! Thanks a lot!