GLUON Cropster for Mac

From GLUON:

Cropster 4 is the professionals' choice for setting up mechanical and page markings. This powerful XTension will set up crop marks for bleed, trim, safety, folds and page gutters. It sets up guides for all of the aforementioned crop marks. Cropster 4 enables the choice of machine centering on a page to facilitate double sided printing, and it features user definable presets. Use Cropster 4 and youll see why it is the industry standard for setting up electronic mechanicals.