message: set doubleSided rendering default to false
diff: @@ -343,7 +343,7 @@ export namespace Mesh {
  export const Params = {
  ...Geometry.Params,
  - doubleSided: PD.Boolean(true),
  + doubleSided: PD.Boolean(false),
  flipSided: PD.Boolean(false),
  flatShaded: PD.Boolean(false),
  }
  