Can HatchShading be applied to a general Graphics3D object?

Question

Is it possible to apply HatchShading (a new Mathematica 12 option for Plot3D and friends) to a generic Graphics3D object (for example, spheres, tubes, and arrows), such as:
a = {0, 0, 0};
b = {1, 0, 0};
c = {0, 1, 0};
Graphics3D[{
   Arrowheads[0.2]
  , Arrow[ Tube[{a, b}, 0.05]]
  , Arrow[ Tube[{a, c}, 0.05]]
  , Sphere[a, 0.2]
  }]

If not, how can I render such a Graphics3D object in grayscale?

kglr · Answer

You can add the directives HatchShading[] and Lighting -> "Neutral" ("white light sources in default positions") or Lighting -> "Accent" ("a directional white light in default direction") before the graphics primitives:
Graphics3D[{Lighting -> "Neutral"
    , HatchShading[]
    , Arrowheads[0.2]
    , Arrow[ Tube[{a, b}, 0.05]]
    , Arrow[ Tube[{a, c}, 0.05]]
    , Sphere[a, 0.2]
    }, ImageSize -> Large]

With Lighting -> "Accent" we get

Can HatchShading be applied to a general Graphics3D object?

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