3D model of universal Spur gears or straight-cut gears.You can edit this model with Creo Parametric 2.0 or higher - see attached video.
Model is Parametric based - so you can set a custom number of teeth, module, hole diameter or angle for the teeth.
Download model and rename if needed (because downaloded model have long name for creo - uploads_files_3201234_parametric_gear.prt)In Creo is possible to use model names with 35 characters max (.prt included)
Good luck.