Crafting large quantities of some decorative blocks can require a lot of clicking. You might have to craft two stone to two decorative stone #1 and then craft one decorative stone #1 to one decorative stone #2 and so on. And finally, one decorative stone #10 can be crafted back to one stone.
This mod allows conversion recipes to be defined for such items and may optionally be set as bi-directional. The converter holds 8 stacks of items and a single result item. A single button click will convert an entire stack. A single unit of the result item must be crafted manually but then it is used as a template to craft more.