by Picto Filmo·Simulation
Images © Picto Filmo. Used for product review; image policy.
Fracture-Iterator earns its place in the superhive library for pairing keyframe control with rigid body physics in one iterative fracture workflow. It requires Blender's Cell Fracture addon to be enabled first.
Fracture-Iterator is a Blender addon built to assist the fracture simulation process. It lets you control which part breaks and when, working through a recursive process until the result satisfies you. Objects are broken using Blender's internal Cell Fracture addon, launched from the first button, and dynamics can be enabled on fragments at the current frame while previous dynamics continue ahead.
Later versions added the ability to break by loose parts, so you can precut an object to break the way you want, plus a Rigid Body "Animated" keyframe trigger that enables rigid bodies for selected objects in one click. The workflow was simplified with preset modes and a new layout, and everything can be baked to keyframes. The addon now lives in a FRACTURE tab, and Cell Fracture can be swapped for another breaking tool.
Scenes don't need the addon installed to open; it's only required at animation time. Fracture-Iterator is released under the GPL license and ranks 206 on superhive. A demo video is available.
Fracture-Iterator is best for blender artists building destruction and fracture simulations who want iterative control over what breaks and when, combining keyframes with rigid body physics.
Fracture-Iterator is completely free to download and use.
Fracture-Iterator ships in builds matched to different Blender releases: version 1.75 targets Blender 4.4 and up plus the 5.x series, version 1.7 covers Blender 4.2, version 1.6 covers Blender 4, and version 1.5.1 runs up to Blender 3.6. Earlier releases also work with Blender 2.8 and 2.9, and a 2.83 crash was fixed in version 1.31. The listing notes a Blender version of 5.0. Check the developer's page to confirm which build fits your Blender install.
Fracture-Iterator relies on Blender's Cell Fracture addon, which must be enabled as an addon or extension before you start. Objects are broken using Cell Fracture, launched from the first button. A later update added the ability to break objects with a tool other than Cell Fracture, so it isn't the only option. Enable Cell Fracture in your Blender preferences first to make sure Fracture-Iterator functions as intended.
Fracture-Iterator only needs to be present at animation time. Scenes created with it can be opened without the addon installed, so a later session doesn't require the addon just to open a file. You do need it enabled while building and running the fracture animation itself. This keeps the dependency limited to the stage where the iterative breaking and dynamics work actually happens.
Fracture-Iterator is listed as free in this catalog and is released under the GPL license. Licensing terms can change, so check the developer's page for current details before relying on it for a project. The GPL license governs how the addon can be used, modified and shared. For the most accurate and up-to-date licensing information, refer to Picto Filmo's official page.
Fracture-Iterator works through a recursive process where you control which part breaks and when, adjusting the breaking time throughout. It enables dynamics on fragments at the current frame while keeping previous dynamics running ahead, and a Rigid Body "Animated" keyframe trigger lets you set when rigid bodies activate for selected objects in one click. Everything can be baked to keyframes when you're done, and breaking by loose parts lets you precut an object so it breaks the way you want.
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