fix: expand support interface so that it's never too thin to be printed (CURA-2052)
fix: expand support interface so that it's never too thin to be printed (CURA-2052)

ROBO3D/CuraEngine,ROBO3D/CuraEngine,alephobjects/CuraEngine,totalretribution/CuraEngine,Ultimaker/CuraEngine,ROBO3D/CuraEngine,Ultimaker/CuraEngine,totalretribution/CuraEngine,alephobjects/CuraEngine,totalretribution/CuraEngine,alephobjects/CuraEngine