by Dinesh007·Workflow
Images © Dinesh007. Used for product review; image policy.
B Onion Skin earns a spot in the blender_extensions library by handling onion skinning directly in the viewport, with customizable colors, opacity, wireframe, and X-Ray controls across meshes, armatures, and curves. It requires Blender 5.0 or newer.
B Onion Skin adds onion skinning to Blender, displaying ghost frames of your animated meshes directly in the viewport. As you scrub the timeline, those ghosts update instantly, giving you a read on motion, timing, and spacing while you animate. It tracks meshes, armatures, and curves, and works with rigged characters and their mesh children.
Past and future positions appear as before-and-after frames with customizable colors, and opacity uses a smooth falloff so distant frames fade naturally. You set how many frames to show on either side, use a Step value to skip frames for faster motion, and choose a falloff curve between Linear, Smooth, and Exponential. A wireframe mode keeps the display lightweight for complex meshes, while an X-Ray option lets you see ghosts through geometry.
Setup runs through View3D → Sidebar → Onion Skin: select an object, click Add Selected, and enable the checkbox in the panel header. The add-on is compatible with Blender 5.0 and newer and is released under the GNU General Public License v3.0 or later.
B Onion Skin is best for blender animators who want to visualize motion, timing, and spacing by displaying ghost frames of meshes, armatures, and curves directly in the viewport.
B Onion Skin is completely free to download and use.
B Onion Skin is compatible with Blender 5.0 and newer, so you'll need that release or a later one to run it. It installs like other Blender extensions, either by dragging the downloaded file into Blender or using Install from Disk. The listed version is 1.0.0. Once installed, the add-on lives in the View3D sidebar under an Onion Skin panel, where you enable and adjust it. For the newest builds and any version updates, check the developer's page on GitHub.
B Onion Skin is accessed through View3D → Sidebar → Onion Skin in Blender. Select your mesh, armature, or curve, then click Add Selected to begin tracking it. Enable onion skinning with the checkbox in the panel header. From there you can set how many frames to display before and after the current one, use Step to skip frames for faster motion, and adjust the opacity falloff curve between Linear, Smooth, and Exponential. The ghosts update as you scrub the timeline.
B Onion Skin is released under the GNU General Public License v3.0 or later, and it's listed as free here in the catalog. The extension does not require special permissions to run. For current licensing terms, the source code, and community discussion, the developer maintains a page on GitHub. If you want to confirm the latest details before installing, that developer's page is the place to check.
B Onion Skin works with rigged characters and their mesh children, so armatures are supported alongside plain meshes and curves. When you display ghost frames, you can show positions before and after the current frame with customizable colors. A wireframe mode keeps the display lightweight for complex meshes, and an X-Ray option lets you see ghosts through geometry. Opacity uses a smooth falloff so more distant frames fade naturally as you review motion, timing, and spacing.
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