This just adds a stonecutter item which performs the same functions as the block.
It also features a new and improved GUI allowing you to see more recipes at once, buttons to craft a stack or all available items and a recipe locking function allowing you to then perform the recipe without opening the GUI by left clicking a block with the portable stonecutter.
The item is crafted inworld by dropping an anvil unto 2 redstone dusts, a stonecutter and a wooden pressure plate all as item entities within a single block space.
Thanks to Ridanisaurus for the textures, ideas and help throughout.