Extended modules > Creo Elements/Direct Sheet Metal > Unfold a sheet metal part > Reliefless bending
  
Reliefless bending
The No Relief tool type in the Tool Type box of the Bend Relief or Corner Relief dialog boxes allows lips to be created without bend (or corner) reliefs as shown in the following graphics:
No Relief
Left: With Corner Relief, Right: Without Corner Relief
Fold/Unfold supports bending without reliefs or using spline V reliefs. This option is particularly useful for thin sheet metal where reliefs are not usually used. Reliefless bends can be created with Lip. Reliefless bending supports the following functionality:
• Fold/Unfold
• Add Lip
• Bend Animation
• Unfold Part
• Refold Part
• Stretch Lip
• Unfold 2D (Flat)