by Inlet·Workflow
Illustrative cover generated by AnyPlugins — no product screenshot available.
Grid Sizer earns its place in the superhive library by putting double, halve, and reset grid controls on assignable hotkeys and applying them across every viewport at the same time.
Grid Sizer is an addon for Blender that gives you direct control over the viewport grid. It adds three buttons—double, halve, and reset to default—each of which can be assigned to a hotkey. Grid changes apply across all viewports at the same time.
Its preferences hold the finer controls. You can display the current grid size on-screen in meters or feet, and toggle whether every 3D viewport synchronizes when the grid changes or resizes independently. Users on the Imperial system see the UI adapt when that's set as the default in Blender, and you can adjust the minimum and maximum values the grid is allowed to reach.
Version 1.2 adds increment control, letting you raise or lower the grid by a constant value alongside multiply-and-divide scaling. The on-screen Display Size can automatically switch between cm/m and inches/feet below a given size. It's aimed at animation, modelling, rigging, and especially map design.
Grid Sizer is best for blender users building basic map geometry like walls and floors, along with animation, modelling, and rigging work that relies on the viewport grid.
Grid Sizer is completely free to download and use.
Grid Sizer supports Blender versions 2.83 through 5.0, covering a wide span of releases. That range means it can slot into both older projects still on legacy builds and current Blender installs. The addon is distributed under the GPL license. For the exact behaviour on your specific version, the developer's page is the place to confirm compatibility, since Blender's UI and viewport handling can shift between major releases. Once installed, its three grid buttons and preference options become available for use.
Grid Sizer applies grid changes across all viewports at the same time by default, but you can turn that off in the addon's Preferences. With synchronization disabled, each 3D viewport responds to targeted resizing on its own, so one viewport's grid can differ from another's. The same Preferences area also lets you show the current grid size on-screen in meters or feet, and set the minimum and maximum values the grid is allowed to reach. This gives you a choice between uniform grids everywhere or per-viewport control.
Grid Sizer displays the Imperial measurement system in its UI as long as you've set that as the default in Blender. Version 1.2 improved compatibility with Imperial Units and refined the on-screen Display Size indicator, which can automatically switch between cm/m and inches/feet once the grid size drops below a given value. So whether you work in metric or Imperial, the size readout reflects your chosen system. You can enable the on-screen size display from the addon's Preferences.
Grid Sizer is listed as free here in the catalog. Licensing and pricing can change over time, so the developer's page is the best place to confirm the current terms before you download. The addon is distributed under the GPL license. Once you have it installed, you get the double, halve, and reset grid buttons, the option to bind them to hotkeys, and the preference settings for display and viewport synchronization.
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