by AHK·Modeling
Images © AHK. Used for product review; image policy.
Stands out in the superhive library for turning Grease Pencil animations into mesh, curve, and geometry output, with a built-in Repair Mode and on-screen error prompts to guide setup.
Grease Pencil Into Mesh Animations is a Blender add-on that converts Grease Pencil animations into mesh, curve, or geometry animations. Its Default mode creates flat planes from Grease Pencil strokes, Curves mode turns strokes into curves, and a Line Mode is available for Blender 3.4.0 and newer.
Setup runs through named settings: GP_OBJ_NAME for the Grease Pencil object, a regular layer to convert, and an output collection for the result. A subtraction layer adds holes to the meshes, with its own output collection and an extrusion amount, while merge distance sets the level of detail and Complex Convert helps with closed lines like circles. Overlapping or crossing lines are a known limitation and can be cleaned up by hand or with the included Repair Mode.
Before running, the 3D View, Dope Sheet, and Outliner need to be open, and the start frame is set from the active frame in the Dope Sheet. Helpful error messages appear in the lower left when the run button is grayed out. The add-on has been updated for Blender 4.0, 4.1, 4.3, 5, and 5.2, and a demo video is available.
Grease Pencil Into Mesh Animations is best for blender artists who want to convert Grease Pencil stroke animations into mesh, curve, or geometry animations.
Grease Pencil Into Mesh Animations is completely free to download and use.
Grease Pencil Into Mesh Animations has received updates for several Blender releases, including 4.0, 4.1, 4.3 with Grease Pencil v3, 5, and 5.2. Its Line Mode is only available on Blender 3.4.0 and newer. For Blender 4.1 and 4.0, the developer notes downloading the file with 4_1 at the end. Because compatibility has been tracked release by release, check the developer's page for the download that matches your exact Blender version before installing so the add-on behaves as expected.
Grease Pencil Into Mesh Animations needs the 3D View, Dope Sheet, and Outliner all open before you run it. All settings must be set correctly, including GP_OBJ_NAME matching the name of your Grease Pencil object. Your start frame should sit on a frame where a Grease Pencil object exists and has a stroke, and you set that start frame from the active frame in the Dope Sheet. The developer also recommends having auto-keyframe on when creating the Grease Pencil object, otherwise only one stroke may convert instead of multiple frames.
Grease Pencil Into Mesh Animations lists overlapping or crossing lines as a known limitation, using the number 8 as an example where lines cross. These spots may need cleaning up by hand or fixing with the Repair Mode included in the add-on. For closed lines such as a circle, the Complex Convert setting helps, though it can be buggy, and adjusting your strokes along with the merge distance can reduce broken lines. Merge distance also sets the level of detail on the output meshes.
Grease Pencil Into Mesh Animations shows helpful error messages in the lower left when you click run while the button is grayed out, telling you what is currently wrong; clicking more can reveal further problems. Common causes include creating the Grease Pencil object off a keyframe, which auto-keyframe fixes, and having a keyframe on the timeline with no stroke, which earlier versions crashed on and update 1.3 addressed with a poll block. Creating a stroke in front of existing frames was also noted as a crash cause.
Grease Pencil Into Mesh Animations is listed as free in this catalog. Licensing terms can change over time, so check the developer's page on superhive for the current details before downloading. A demo video is available as well. The project has been maintained through several Blender releases, so choosing the build that matches your version is worth doing before you run it, since compatibility is tracked release by release rather than in a single universal download.
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