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Brushed metal in five alloys

In your harnessProcedural textureMIT

Generate tileable PBR maps of brushed metal: fine directional micro-grooves at two scales, a few deeper scratches and faint smudges, on stainless steel, aluminium, brass, copper or titanium. Use for appliances, panels, trims, watches and props.

Render of Brushed metal in five alloys
The render its check recorded in Godot 4.7.2, 256 by 256 pixels.

What it takes and gives

Entry point
generate
Maps
albedo, normal, roughness, metallic, height, ao
Parameters
streak_density, streak_depth, waviness, scratches, roughness_base, smudges, banding, hue_shift and 2 more
Presets
default, aluminium, brass, copper, titanium_satin
Tileable
yes
Command line
python brushed_metal.py --size 1024 --seed 7 --preset NAME --out DIR [--width W --height H] [--set NAME=VALUE] [--directx-normal] [--orm]
Godot material
material.tres
Blender builder
blender_material.build_material(folder)

Limits. Brushing runs across the tile width only; rotate the UVs for other directions. The grooves live in the normal and roughness maps, which carry no anisotropy direction, so the stretched highlight of real brushed metal needs an anisotropic shader on top. Metal colours are approximate reflectances. Occlusion is a blurred-height estimate, not ray traced.

Details

Kind
Procedural texture
Engine
Python 3.10 or later
Files
12 files, 183.4 KB
Licence
MIT
Declared effects
runs commands, writes files
Checked with
Godot 4.7.2, gl_compatibility
Checks
command line generates declared maps, maps decode, maps have declared size and channels, maps tile without a seam, normal vectors unit length facing out, maps carry detail, godot imports the maps, godot material template loads every map, godot compatibility render, capture shows the textured surface, blender builds the material
Techniques
Noise stretched along one axis for directional micro-grooves, Two groove scales with a slow wave so lines are not ruled, Broad bands along the brushing direction for uneven abrasive passes, Sparse long scratches along the brushing direction, Uniform metallic in the glTF metallic-roughness model
Tags
texture, pbr, tileable, metal, brushed, stainless steel, aluminium, procedural
Identity
library.supply.creative_originals.b4f75372414191a5283c88ec.b804c2160f8593ec
Version
b804c2160f8593ec95cdc06aea623adbcd470bbb039ab2ee0c2a6b646f6a0f2a

The version is the SHA-256 of the item your harness downloads; every file in it names its own checksum.

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