bugfix: no support for too low models
bugfix: no support for too low models

alephobjects/CuraEngine,jacobdai/CuraEngine-1,mspark93/CuraEngine,alex1818/CuraEngine,Ultimaker/CuraEngine,pratikshashroff/pcura,totalretribution/CuraEngine,mspark93/CuraEngine,totalretribution/CuraEngine,fxtentacle/CuraEngine,jacobdai/CuraEngine-1,patrick3coffee/CuraTinyG,patrick3coffee/CuraTinyG,markwal/CuraEngine,totalretribution/CuraEngine,uus169/CuraEngine,ROBO3D/CuraEngine,markwal/CuraEngine,pratikshashroff/pcura,uus169/CuraEngine,fxtentacle/CuraEngine,alephobjects/CuraEngine,pratikshashroff/pcura,alex1818/CuraEngine,alephobjects/CuraEngine,alex1818/CuraEngine,mspark93/CuraEngine,jacobdai/CuraEngine-1,Ultimaker/CuraEngine,patrick3coffee/CuraTinyG,markwal/CuraEngine,ROBO3D/CuraEngine,fxtentacle/CuraEngine,uus169/CuraEngine,ROBO3D/CuraEngine