How to Create Blank Image for Texture Painting in Blender

Texture painting in Blender requires an image canvas to store your paint strokes, making the creation of a blank image a fundamental initial step. This guide explains how to quickly create, configure, and assign a new blank image texture to your 3D model using Blender's Texture Paint workspace and Shader Editor, ensuring your workflow is ready for digital painting.

Method 1: Using the Texture Paint Workspace

  1. Select Your Object: Left-click your 3D model in the 3D Viewport to ensure it is active.
  2. Switch Workspaces: Click on the Texture Paint tab at the top of the Blender interface.
  3. Add a Texture Slot:
    • In the Active Tool Settings panel on the right (or the top header), locate the Texture Slots section.
    • If no canvas exists, click the + icon (Add Canvas) and select Base Color.
  4. Configure Image Settings:
    • Name: Set a clear name for your texture (e.g., Base_Color_Map).
    • Width / Height: Set the resolution (1024x1024 is default; use 2048x2048 or 4096x4096 for higher detail).
    • Color: Click the color box to set the background color of the canvas.
    • Alpha: Keep enabled if you need transparency, or uncheck if you do not.
  5. Confirm: Click OK to generate the canvas. You can now paint directly onto the model.

Method 2: Using the Shader Editor

  1. Select your object and open the Shader Editor area.
  2. Ensure the object has an active Material. If it does not, click New in the header.
  3. Press Shift + A, navigate to Texture, and select Image Texture.
  4. Click to place the new Image Texture node inside the node graph.
  5. Click the + New button on the Image Texture node.
  6. Set the Name, Width, Height, and base Color in the pop-up panel, then click OK.
  7. Connect the Color output of the Image Texture node into the Base Color input of the Principled BSDF shader node.
  8. Switch the 3D Viewport mode from Object Mode to Texture Paint mode to begin drawing.

Important: Saving Your Image

Blender does not automatically save newly created images to your hard drive when you save the .blend file. To save your painted image:

  1. Open the Image Editor workspace or window area.
  2. Select your new image from the header drop-down menu.
  3. Click Image > Save As (or press Alt + S) to save the image file to your disk.
  4. Alternatively, click Image > Pack to embed the image data directly inside your Blender project file.