Those are plugin for TrueSpace > 5.x

 

Plugin name	Update	more info page	description
RS NurbsCap 0.8		plugin page	Cap Nurbs Objects
NSymmetry 0.8		plugin page	create symmetric nurbs objects
RSHide 1.75	01/06/2007	plugin page	hide objects
RSLayers 1.2.1	19/09/2007		manage TS layers

 

those plugins comes with ABSOLUTELY NO WARRANTY.

Installation: decompress zip in your Truespace tsx folder,
then in Truespace click to select and install your new plugin