In this How to Edit Minecraft Custom Block Textures and Color Maps Tutorial I show you the steps to create a custom Minecraft texture pack with new Block Textures, along with how to edit the Grass Color map. If you missed it take a look at my How To Make a Texture Pack in Minecraft tutorial which gives the basics and is a good video to watch before making your own custom Minecraft Resource Pack. - Minecraft Java Edition . In this How to Edit Minecraft Custom Block Textures project I show you how to edit texture blocks and the grass color map to change how a landscape looks. This is the first video in my new series on creating a sci-fi Mars Texture Pack for Minecraft.