QRemeshify

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A Blender extension for an easy-to-use remesher that outputs good-quality quad topology

Based on QuadWild with Bi-MDF solver which is based on QuadWild

Features

• Good-quality quad topology even with basic usage
• Supports symmetry
• Guide edge flow with edges marked seams/sharp
• Options for advanced fine-tuning available
• No external programs to download or run

Example

Suzanne 3D Model

Model from Elizaveta

Model from Wildreamz

Try it

1. Add > Mesh > Monkey
2. Add subdivision modifier with 2 levels
3. Add triangulate modifier
4. Open QRemeshify panel, disable Preprocess, set sharp angle threshold to 25, enable symmetry in X-axis

Requirements

• Blender 4.2 and above
• Windows (still testing Linux and macOS)

Installation

1. Download the zip file according to your OS from Gumroad or from Releases
2. For Blender 4.2 and above, go to Edit > Preferences > Addons and click the arrow pointing down on the top right
3. Click on Install from Disk... and select the downloaded zip file
4. Ensure the checkbox is ticked to enable QRemeshify

Usage

QRemeshify can be accessed from the 3D view N-Panel (Press N in 3D view) while in Object mode

Please remember to save often, time taken for remeshing is dependent on many factors and may take an unexpectedly long time

Settings

Option	Description	Performance Impact
Preprocess	Runs QuadWild's built-in decimation, triangulation, and attempt to fix common geometry issues	High
Smoothing	Smooths topology after quadrangulation	High
Detect Sharp	Generates sharp features from edges above the threshold, from edges marked sharp, and edges marked seam	Low
Symmetry	Produce symmetrical topology along specified axes	Shortens time taken since less geometry is processed

Advanced Settings

Option	Description	Performance Impact
Debug Mode	Shows meshes produced by intermediate steps	Low
Use Cache	Run pipeline from quadrangulation step onwards (see Pipeline) (MUST run full pipeline once before)	Shortens time taken since less steps run

Other than Debug Mode and Use Cache, advanced settings are passed straight through to the underlying QuadWild Bi-MDF and QuadWild library and are either undocumented or too complex for me to understand. They are still made available here for experimentation and fine-tuning.

Tips

Find and share more tips at Discussions

• Slower for more complex shapes eg. lots of cloth folds, try separating into smaller, simpler parts
• Having an even distribution of tris seems faster, either manually decimate and triangulate or enable Preprocess to help with this
• Time taken is proportional to number of faces, decimate to <100k tris would be a good start
• Needs sufficient geometry to work with to get a good topology, roughly >1k tris
• Loose geometry may need to be separated into individual objects, Edit mode > P > Separate by loose
• Use edges marked as sharp or UV seams to influence edge flow
• Use cache to only run quadrangulate step if previous steps have been run once before, for speeding up while tweaking advanced settings

Pipeline

flowchart TD
    Start --> B{Use cache?}
    B -->|False| C[Cut mesh in half on specified axes for symmetry]
    C -.-> D([mesh.obj])
    D --> E[Calculate sharp features]
    E --> G[[QuadWild built-in preprocessing and field calculation]]
    D --> G
    G -.-> H([mesh_rem.obj])
    H --> I[[QuadWild field tracing and splitting into patches]]
    I -.-> J([mesh_rem_p0.obj])

    J --> K[[QuadWild quadrangulation and smoothing]]
    B -->|True| K

    K -.-> L([mesh_rem_p0_0_quadrangulation.obj, mesh_rem_p0_0_quadrangulation_smooth.obj])
    L --> M[Add mirror modifier on specified axes for symmetry]

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