If I would have to rework this, i would use 1-16 prims for the bottom...
leave the outer cone (as 1 16 0 40 0 10 0 0 0 -40 0 0 0 10 4-4con2.dat) and the axle+stud prims in the main file
and put everything else in an eigth subfile (split the inner cone, use some prims for the bottom rim)
leave the outer cone (as 1 16 0 40 0 10 0 0 0 -40 0 0 0 10 4-4con2.dat) and the axle+stud prims in the main file
and put everything else in an eigth subfile (split the inner cone, use some prims for the bottom rim)