Easy Mullions Generator for Blender

Easy Mullions Generator for Blender

Easy Mullions Generator v1.4 for Blender – The Ultimate Parametric Window & Facade Tool

Versions:  v1.4

File Size: 710 KB

Download Easy Mullions Generator v1.4 for Blender on Windows and Mac, a specialized architectural addon designed to instantly create complex window grids, curtain walls, and facade mullion systems on any planar or curved surface. With intelligent frame intersection logic, automatic glass panel generation, and profile customization, Easy Mullions transforms how you detail building exteriors and interiors, eliminating the tedious manual modeling of every frame segment and the headache of boolean cuts at corners.

Key Features of Easy Mullions v1.4:

• Smart Grid Generation: Automatically divides any selected face (or mesh) into a customizable row/column grid, instantly generating the frame structure based on your specified spacing or fixed dimensions.
• Automatic Glass Panels: Generates separate, perfectly fitted glass objects for each cell in the grid, complete with correct thickness and material assignment, ready for rendering immediately.
• Parametric Profile Control: Adjust frame width, depth, and shape (rectangular, rounded, I-beam, custom profile) in real-time. Change the profile once, and it updates across the entire facade instantly.
• Curved Surface Adaptation: Unlike basic array modifiers, v1.4 intelligently adapts mullions to follow curved surfaces (cylinders, domes, freeform shapes), maintaining consistent spacing and perpendicular alignment to the surface normal.
• Intersection Logic: Automatically handles T-junctions and cross-intersections cleanly, merging geometry where frames meet to prevent visual artifacts and ensure watertight meshes for 3D printing or game export.
• Opening & Door Support: Designate specific grid cells as “openings” or “doors” to automatically remove the glass and frame segments, creating functional holes for animation or walkthroughs without breaking the grid logic.
• Material Slot Automation: Automatically assigns distinct material slots for Frames (exterior/interior), Glass, and Seals/Gaskets, streamlining the texturing workflow for large buildings.
• Non-Destructive Workflow: Built on modifiers or Geometry Nodes (depending on installation type), allowing you to change the building shape, window count, or profile style at any stage before final baking.
• Optimized Topology v1.4: Generates clean, quad-dominant geometry optimized for subdivision surface rendering and efficient UV unwrapping, reducing render noise and bake times.

Perfect For:

• Architectural Visualizers creating high-rise curtain walls, office facades, and modern residential windows rapidly.
• Game Developers generating modular building kits with LOD-ready window assets.
• Interior Designers detailing partition walls, skylights, and greenhouse structures.
• Industrial Designers prototyping grid-based structures, solar panel arrays, or safety grilles.
• Anyone tired of manually extruding edges and cutting booleans for every single window pane.

System Requirements:

• Blender: 3.6, 4.0, 4.1, 4.2, 4.3+ (Latest LTS recommended).
• OS: Windows 10/11 (64-bit) or macOS 10.15+.
• RAM: 8GB minimum (16GB+ recommended for massive skyscraper facades).
• No external dependencies required.

Installation:

1. Download the Easy Mullions Generator v1.4 .zip file.
2. Open Blender and go to Edit > Preferences > Add-ons.
3. Click Install…, select the downloaded file, and enable the checkbox next to Mesh: Easy Mullions.
4. Access via the Object Context Menu > Easy Mullions or the dedicated panel in the 3D Viewport Sidebar (N-panel) under the Mullions tab.

Note:

Version 1.4 introduces a revolutionary “Variable Spacing” mode, allowing you to define non-uniform grid distributions (e.g., larger windows at the bottom, smaller at the top) using a simple curve mapper or list input. It also includes a new “Seal & Gasket” generator that automatically adds thin rubber sealing strips between the glass and frame, adding a crucial layer of micro-detail often missed in architectural renders.

Quick way of creating mullions and fake interiors.
All Geometry Nodes based.
Version 1.0 Tutorial here: https://youtu.be/cdANwK4XVDM
Version 1.2 tutorial here: https://www.youtube.com/watch?v=-O6AeKVBQg0&ab_channel=WashingtonFilho
Compatibility Blender 3.4 +

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