QuadPatch is a retopology add-on for Blender built around generating quad surfaces across large areas of a 3D model. It focuses on drawing quad strips quickly, with edge-loop path highlighting and dynamic path drawing as you work.
The toolset includes control over segments, count control, surface relaxing, and the ability to re-align highlighted vertices. Double-click creates new patches, and a hotkey panel plus visual GUI elements provide feedback during use. Once enabled, the QuadPatch panel appears in the Retopology tab of the N-panel.
Installation follows Blender's standard add-on process: download the file, then use Preferences > Add-ons > Install from zip and locate the .zip file. Version 1.2 added support for Blender 4.0 along with count control, double-click patch creation, vertex re-alignment, bug fixes, and visual GUI feedback. Documentation is available for the tool.