This page relates to Create, which does not have built-in support, you will need to install CreateTweaker as well!
Create Sand Paper Polishing
Link to create-sand-paper-polishing
The Sand Paper Polishing mechanic is a type of IRecipeManager and implements all the methods that are available to IRecipeManager's, such as
Link to methods
Link to add-recipe
The following script will add a recipe that will output a Diamond when a piece of Glass is Polished with a duration of 100.
// <recipetype:create:sandpaper_polishing>.addRecipe(String name, IItemStack output, IIngredient input, @Optional(100) int duration) <recipetype:create:sandpaper_polishing>.addRecipe("sand_paper_polishing_test", <item:minecraft:diamond>, <item:minecraft:glass>);
Link to remove-recipes
The following script will remove all Sand Paper Polishing recipes that output Polished Rose Quartz.
// <recipetype:create:pressing>.removeRecipe(IItemStack output) <recipetype:create:sandpaper_polishing>.removeRecipe(<item:create:polished_rose_quartz>);