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BLBlender

Groomforge Pro

by chamiseul·Workflow

Images © chamiseul. Used for product review; image policy.

Why we like it

Stands out in the superhive library for targeting the Blender-to-Unreal groom pipeline specifically, automating conversion steps that would otherwise involve manual Alembic export and import.

What is Groomforge Pro?

Groomforge Pro is a high-end technical add-on that bridges Blender's hair system and Unreal Engine's 5.7 Hair Dataflow. It automates the conversion of Hair Curves into production-ready Groom assets, with a focus on data integrity and rigging.

The Send to Unreal Engine (Beta) bridge exports your hair and creates the Groom asset inside a running Unreal Engine Editor with one click, removing the manual Alembic export and import steps. It works when Blender and Unreal Engine run on the same computer and requires a one-time setup enabling the Python Editor Script Plugin and Remote Execution. You pick the UE folder and asset name from the Blender panel, and repeated sends to the same session run faster.

Grooming and rigging tools round out the add-on. The clumpid attribute from Fix & Output Connect groups strands by their actual 3D position, with a Clump Scale slider for control, while Groom Export carries guide-interpolation data for more accurate strand interpolation. Hair-to-Mesh Binding syncs hair curves to mesh data for animation, and Edge-based Rig Generation builds skeletal structures from selected edges. A demo video is available.

Who is Groomforge Pro best for?

Groomforge Pro is best for blender artists preparing hair grooms for Unreal Engine 5.7.

How much does Groomforge Pro cost?

Groomforge Pro is completely free to download and use.

Key features

  • Send to Unreal Engine (Beta): a one-click export that creates a Groom asset inside a running Unreal Engine Editor, with UE folder and asset name chosen from the Blender panel
  • Clump grouping via the clumpid attribute from Fix & Output Connect, grouping strands by their actual 3D position, plus a Clump Scale slider to control clump size
  • Groom Export that includes extra guide-interpolation data (groom_closest_guides / groom_guide_weights) and standard Groom version info for more accurate strand interpolation
  • Hair-to-Mesh Binding that binds hair curves to mesh data for animation sync
  • Edge-based Rig Generation that creates skeletal structures from selected edges in Edit Mode for custom rigging layouts
  • Force UE Scale (100x) checkbox in Hair Rig Prop Creator to manually apply scale compensation for Unreal-style centimeter armatures

Tags

#Blender#Unreal Engine#Hair#Groom#Pipeline#Rigging#Export

Frequently asked questions

Does Groomforge Pro's Send to Unreal Engine work across two computers?

Groomforge Pro's Send to Unreal Engine feature is a one-click bridge that works when Blender and Unreal Engine are running on the same computer. It exports your hair and automatically creates the Groom asset inside a running Unreal Engine Editor, skipping the manual Alembic export and import. You can choose the UE folder and asset name directly from the Blender panel, so the imported Groom asset lands where and named how you want. After the first successful send, repeated sends to the same UE session are much faster, since the connection is remembered for the rest of your Blender session.

What Unreal Engine setup does Groomforge Pro's Send to Unreal Engine need?

Groomforge Pro's Send to Unreal Engine (Beta) requires a one-time setup inside Unreal Engine before the first use. You need to enable the Python Editor Script Plugin and turn on Enable Remote Execution in Editor Preferences; the User Guide covers the exact steps. Once that's done, clicking Send to Unreal Engine exports your hair and creates the Groom asset inside the running editor, with no file dialogs or manual import steps. Both Blender and Unreal Engine need to be running on the same computer for the bridge to work.

What Unreal Engine version does Groomforge Pro target?

Groomforge Pro is built to bridge Blender's hair system with Unreal Engine's 5.7 Hair Dataflow, converting Hair Curves into production-ready Groom assets with a focus on data integrity and rigging. Its Groom Export includes extra guide-interpolation data (groom_closest_guides and groom_guide_weights) plus standard Groom version info, giving Unreal Engine more information to interpolate strands from the guides more accurately. For the direct Send to Unreal Engine bridge, both applications must be running on the same computer, and Unreal needs a one-time setup enabling remote execution.

Is Groomforge Pro free to use?

Groomforge Pro is listed as free in this catalog. For current licensing details, check the developer's page directly, since terms can change over time. The add-on focuses on the Blender-to-Unreal groom pipeline, automating the conversion of Hair Curves into Unreal Groom assets and handling data such as guide-interpolation attributes and clump grouping. It also includes rigging tools like Edge-based Rig Generation and a Force UE Scale option in Hair Rig Prop Creator for centimeter-scale armatures.

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