As John says, just select bevel on the spur gear creation screen, they are just another form of a bevel. The versions of the secondary download link will just progressi
vely change as a developme
nt version till it takes over top spot once proven. ( YEah, I know I drive people nutz that way.. but it sames me volumes of time..)
A manual IS being prepared and will appear in a future version to help out in using the program. Watch the video's in the meantime, most things are covered at least to a rudimenta
ry level at this point.