PROTO slide [
  
      exposedField SFVec3f    translation 0 0 15
      exposedField SFRotation rotation    0 1 0 0
      exposedField SFVec3f    scale       1 1 1
      exposedField MFNode     children []
  ] {
      Transform {
          children    IS children
          translation IS translation
          rotation    IS rotation
          scale       IS scale
      }
  }