Design scalable, window prefabs directly in the Editor.
Supports panel types, subdivisions, and Measurement Mode for precise scene placement. Editor-only, no coding required.Modular Builder Suite is a Level Design tool for generating and managing prefab-ready modular windows inside the editor.Compatible with:- Built-in Render Pipeline- Universal Render Pipeline (URP)- High Definition Render Pipeline (HDRP)No custom shader code or post-processing effects are used.Modular Builder Suite is a powerful editor extension for Unity that simplifies the process of designing, generating, and managing scalable windows and walls directly inside the Editor.Whether you're prototyping layouts, blocking out architecture, or creating production-ready prefabs, this tool gives you complete control over panel structure, dimensions, and placement. No coding required.Core FeaturesInteractive Window CreationCustomize subdivisions, panel types, and dimensions using sliders and input fields. Instantly see results in the Scene view.Measurement ModeClick inside any wall opening (with colliders) and the tool will automatically fit and place a window that matches the size and shape of the space.Prefab ManagementCreated windows appear in a visual list with thumbnails, editable names, and save buttons. Easily save or update prefabs with your custom settings.Material PersistenceFrame and glass materials are saved between sessions and restored automatically. You’re always working with the materials you chose.New in v1.1.0 - Floor Plan Tracer (Beta)The new Floor Plan Tracer lets you import a blueprint image, trace wall layouts, and place windows with pixel-perfect control.Draw walls directly over floor plan imagesAutomatically place modular windows along wall segmentsDefine window names, sill heights, and panel heights as you drawAssets/WindowBuilder/SavedMeshes/[YourPrefabName]Save the building as a prefab, with all runtime meshes saved toThis is an early beta of the full floor and wall layout system. Upcoming updates will add doors, roofs, and multi-floor support.Workflow HighlightsEasy-to-use tabbed editor UINo scripting or code requiredWorks fully in edit modeClean and optimized asset structureExperimental floor layout system includedSupportFor questions, feedback, or bug reports, contact:davidmcpherson84@gmail.comEditor-only workflow, no runtime code includedFull UI built using Unity UI Toolkit (UXML and USS)Width, height, and depth inputs for precise controlVertical subdivision system with up to 10 columnsPer-column horizontal subdivision with up to 10 adjustable row heightsLockable dimensions for accurate adjustmentsSupported panel types: Fixed, TopHung, SideHungMeasurement Mode allows click-to-fit placement in wall openingsAuto-generated frames, sashes, beads, and mullionsReal-time scene updates while adjusting parametersPrefab output with organized hierarchy and reusable componentsSave and load complete window configurationsVisual thumbnails and editable names for each created windowAll meshes generated in editor, saved only on prefab exportClean mesh asset management using prefab-named folders under Assets/WindowBuilder/SavedMeshes/
