VRML в примерах.

#VRML V2.0 utf8

Transform {translation 0.5 0.35 0.3
children [
Shape{geometry Box{size 1.2 0.02 0.7}}
]
}

DEF nozhka Shape {geometry Box {size 0.02 0.7 0.02}}

Transform {translation 1 0 0.6
children [USE nozhka]
}

Transform {translation 1 0 0
children [USE nozhka]
}

Transform {translation 0 0 0.6
children [USE nozhka]
}