Url) {
      const mesh = skin({
        limbs: true,
      });
      mesh.frustumCulled = false;

      mesh.onBeforeRender = (onBeforeRender => function() {
        mesh.material.uniforms.headRotation.value.copy(uniforms.headRotation.value);
        mesh.material.uniforms.leftArmRotation.value.copy(uniforms.leftArmRotation.value);
        mesh.material.uniforms.rightArmRotation.value.copy(uniforms.rightArmRotation.value);
        mesh.material.uniforms.theta.value = uniforms.theta.value;
        mesh.mate