A Blender addon.
Download https://raw.githubusercontent.com/amb/blender-texture-tools/master/seamless.py, save it to your computer and add the seamless.py file to Blender through User Preferences > Add-ons > Install from file...
Works best in tandem with Blender Internal render. Cycles is not supported at the moment, but may still work.
Various utilities for handling images and generating new ones inside Blender.
- Able to make seamless tiles with two types of algorithms
- Convolution filters: blur, sharpen, gaussian, edge detect, emboss
- Normal map creation from bitmap data
- Automatic material generation (normals, diffuse and specular maps) from bitmap data.