These formats have the same options as described in the section "X3D, IV, VRML 2.0, TF3D Formats” and several additional options.
Create Layers. When it is enabled, all layers from T-FLEX CAD document will be created in the file.
Export attributes. Attributes may be set for 3D model objects. These attributes will be saved in the resulted file on export.
Threads can be exported into the 3D PDF format. Textures export should be enabled for this purpose.
Open file. Allows to open file in the program, associated with the format.