main = (params) => {
  let crossHair3D = crosshair()
  if (params.centerx || params.centery || params.centerz) {
    crossHair3D = center({ axes: [params.centerx, params.centery, params.centerz] }, crossHair3D)
  }
  return crossHair3D
}
Creates a 3D crosshair, and centers it on various axes according to the parameters
@param {Boolean} params.centerx - Center the geometry on the X axis.
@param {Boolean} params.centery - Center the geometry on the Y axis.
@param {Boolean} params.centerz - Center the geometry on the Z axis.
@returns {geometry}