#VRML_SIM R2023b utf8 PROTO Caster [ field SFString name "" field SFVec3f translation 0 0 0 field SFRotation rotation 0 0 1 0 ] { Pose { translation IS translation rotation IS rotation children [ Solid { name IS name children [ DEF CASTER_BALL Shape { appearance PBRAppearance { baseColor 0 0.0051864 0 roughness 0 metalness 0 } geometry Sphere { radius 0.005 } castShadows FALSE } ] boundingObject USE CASTER_BALL physics Physics { density 8000 # steel } } Pose { translation 0 0 0.01075 children [ DEF CASTER_TOP_CYLINDER Shape { appearance PBRAppearance { baseColor 0 0.0051864 0 roughness 0.5 metalness 0 } geometry Cylinder { height 0.0215 radius 0.01 subdivision 6 top FALSE } } ] } ] } }