FoliageLab - Atlas

Folder in. Atlas out.

Point your source folder at your PBR textures. Atlas scans it, detects your assets automatically, and places them in scene — ready to arrange and bake into a clean atlas.

Automatic detection

• Scans a flat folder and detects PBR assets by filename convention — no manual setup required
• Auto-detects asset size (Big / Medium / Small) from keywords in the filename — adjustable manually if needed
• Supports a wide range of naming conventions out of the box — _BaseColor, _BC, _Diffuse, _NRM, _Roughness, _Gloss, _Mask, _AO, _Subsurface and more
• Single-element textures are treated as squares. Multi-element textures get a convex hull based on pixel distance — no wasted space in the atlas

Layout & Preview

• Assets placed in scene automatically based on size — branches always larger than leaves, leaves larger than details
• Lock individual asset sizes before redistributing — the packer respects your manual adjustments and scales the rest around them
• Automatic rotation finds the best orientation per asset to maximize packing efficiency — toggle on or off
• Adjustable padding and overlap per placement pass
• Save your layout, then bake
• Full PBR preview in viewport — switch between Albedo, Normal, Roughness, AO and Opacity at any time

Export options

• All PBR channels exported as separate atlas files — baked outside Blender via an independent pipeline, no render required
• Subsurface / Translucency channel supported — detected and exported alongside standard PBR maps
• Custom Packed Textures — define your own channel packing per preset (ORM, etc.)
• Opacity baked into Albedo alpha channel (optional)
• Normal map green channel inversion for DirectX / UE5 (optional)
• Normal map vectors are correctly rotated in the atlas — no normal seam artifacts when assets are repositioned or rotated
• Color bleed on all channels — transparent areas filled by nearest-neighbor propagation, no black fringing at texture borders
• Glossiness to Roughness inversion — per asset or globally
• PNG, TGA, TIFF or EXR output, up to 16K resolution

Want the full pipeline? the FoliageLab bundle saves you 30% on the complete suite.

Requirements

• Flat folder structure required.
• Blender 4.2+. This tool is not compatible with Blender 5.0+
• An internet connection is required on first activation if OpenCV is not already installed on your machine. Installation is automatic.

Join the Discord server and become part of the FoliageLab community

Learn how to create your first atlas:

FoliageLab Atlas V1.2 is now available!

Addition:

• New "Island Merge (px)" setting in the Build section - merges an asset's opacity map into a single actor even when its parts don't touch pixel-to-pixel (e.g. fanning grass blades), instead of splitting it into several separate pieces.
• Automatic dependency setup - the add-on now installs its required opencv-python dependency on its own when first enabled. No manual pip install needed.

Updates:

• TGA  is no longer supported as a source texture format when scanning your asset folder. PNG, JPG, BMP, TIFF, and EXR remain fully supported.
• Scanning now shows a clear warning when a .tga file matching a recognized channel is skipped, instead of failing silently.

1.2.1 - Fixes

• Fixed Custom Packed Textures using their own placement logic instead of the atlas layout — packed maps could appear mirrored or offset, and only one actor's data survived when several were present.They're now assembled directly from the baked channel atlases.
• Also fixed channel assignment order (R slot was written to blue). Empty slots output black on RGB, white on alpha.