Create your object from the primatives
Open the grouping tool
Select the first primative from the props dropdown menu (the one on the main window or the Paramiters panel) it will go red and everthing else goes black.
"Assign Material" as svdl discribes then click the "Add Material" and set this to the 1 you just Assigned.
Repeat steps 3 and 4 for each primative untill all are done then close the "Grouping Tool".
Open the "Hierarchy Editor" from the "Windows" menu.
Drag and drop each object one by one into just one of the other object.
Click the "Create Figure" button then click "OK" on the next pop-up panel and then name your new figure in the next and click "OK". This will create a new figure in the "New Figures" folder of your main Poser 7 Figure Librery. Close the "Hierarchy Editor".
Delete everything from the stage (or just create a "New Document")
Load the Figure you just created from the Librery.
Export the figure as an OBJ
Pat yourself on the back for a job well done!

Forum: Poser - OFFICIAL

Subject: Saving Prop with all materials and groups...?