Plugin name: OpenNew (formerly Component Stringer – but OpenNew is the current free specialized tool)
No single new, free plugin fully solves doors and windows in SketchUp 2025. The best free workflow remains:
This takes 10 minutes to learn and gives professional results without spending a dime.
Avoid: Old plugins like "Door and Window Maker" (deprecated, SU2017 only) and "ArchitoLand" (abandonware, security risks).
Would you like a step-by-step tutorial for setting up Component Stringer with dynamic windows? free sketchup doors and windows plugin new
Here’s a straightforward guide to finding and using a free SketchUp plugin for doors and windows (updated for recent versions like SketchUp 2023–2026).
If you can’t install extensions:
If you are new to installing plugins outside the official Extension Warehouse, here is how you access the cutting-edge free tools being developed by the community.
The plugin is coded in Ruby 2.5+ to ensure compatibility with SketchUp 2018 through Plugin name: OpenNew (formerly Component Stringer – but
While many "best of" lists feature paid tools like FlexTools, there are several powerful free alternatives that offer automatic wall-cutting and parametric customization:
MAJ Window 2026: A standout for the current version of SketchUp, this plugin allows you to create realistic windows that automatically cut through any wall type. It offers a complete collection of common architectural designs and features improved geometry detection for 2026.
MAJ Door: Designed to complement the window tool, it automatically fits and cuts through walls while allowing you to set door types, heights, and opening angles before placement.
WinDoor: A popular free extension available on the SketchUp Extension Warehouse. It makes modeling window and door assemblies easy, though its profiles are basic compared to its paid version, WinDoor+. No single new, free plugin fully solves doors
Windows Builder: This free plugin lets you create diverse window components based on selected faces or rectangular shapes. It includes detailed options for glazing (double/triple), muntins, and sills.
Move Rotate Open Close: This extension recently updated its "toggle open close" function, allowing you to easily animate grouped or nested objects like doors and drawers within cabinets. Where to Download and How to Install
Most free plugins are distributed as .rbz files. You can find them on official platforms like: SketchUp Plugins | PluginStore - SketchUcation
Download a free plugin called "BoolTool" (available on the Extension Warehouse). Alternatively, use the native "Solid Tools" if you have SketchUp Pro.