3D modifiers are chainable elements that sequentially modify the geometry. Attribute modifiers modify attributes of the vertices (e.g. the color or UV coordinate), Distort modifiers act on the spatial positions of the vertices and Operator modifiers are more general transformation that for example transform one type of geometry into another one.
                    
                      Be very attentive to the modifiers order in your chain of modifiers. A modifier always modify what it got as input.
                    
                        To add a 3D modifier to a layer, right click on this layer and use menu Modifiers.
      This category groups modifiers of 3d geometries.
                        These modifiers are divided in the following four categories and nearly all of them can be modulated through 
                    3D Mask
                    3D masks enable selecting 3D vertices based on their different attributes such as position, color and texture coordinate.
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                        Attribute Modifiers
                        Modifiers: Change "per vertex" attributes (Most effective with points renderer) 
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                        :Change "per vertex" attributes (Most effective with points renderer)
                      
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                        Distort Modifiers
                        Distort existing geometry
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                        :Distort existing geometry
                      
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                        Operator Modifiers
                        
	  Change existing geometry. Can generate or change points / lines / surfaced on 3D layers (3D Generator)
	
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                        :Change existing geometry. Can generate or change points / lines / surfaced on 3D layers (
                        3D Generator
                        The 3d generator of a 3D Layer represents a source of geometry.
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                        )
                      
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                        Utility Modifiers
                        Change existing geometry. Can generate or change points / lines / surfaced on 3D layers (3D Generator)
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                        :Mostly debugging tools
                      
