Neon Dash ("Rain-Slick Sign Row") assets. All files are CC0 1.0 (public domain dedication).
Licences re-verified on 2026-10-14: Kenney License.txt inside the pack, ambientCG asset page/FAQ, ggbotnet/fonts-cc0 LICENSE (CC0 1.0 Universal).
Format: file | pack/title | author | source URL | licence

bricks.jpg (512 px, q70), bricks-256.jpg (256 px, q70) | Bricks 101 (1K-JPG, Color map only, downscaled) | ambientCG (Lennart Demes) | https://ambientcg.com/view?id=Bricks101 | CC0 1.0
spark_01.png, spark_04.png, spark_06.png (64 px) | Particle Pack 1.1 (PNG Transparent, downscaled) | Kenney (kenney.nl) | https://kenney.nl/assets/particle-pack | CC0 1.0
flare_01.png, light_02.png, smoke_04.png, smoke_07.png, twirl_02.png (128 px) | Particle Pack 1.1 (PNG Transparent, downscaled) | Kenney (kenney.nl) | https://kenney.nl/assets/particle-pack | CC0 1.0
Coconut.woff2 | Coconut | GGBotNet | https://github.com/ggbotnet/fonts-cc0 (Coconut/Web Open Font Format (.woff)/Coconut.woff2) | CC0 1.0
ErraticCursive-Regular.woff2 | Erratic Cursive | GGBotNet | https://github.com/ggbotnet/fonts-cc0 (Erratic Cursive/Web Open Font Format (.woff)/ErraticCursive-Regular.woff2) | CC0 1.0

Covers (public/assets/covers/dash.svg, dash-banner.svg) embed bricks-256.jpg as a base64 pattern and the two fonts above as base64 @font-face.
Everything else (tubes, brackets, conduit, transformer housing, pictograms, rain, power line, finish blade) is hand-drawn canvas/SVG vector work.

Round 2 additions ("Last Call"), licences re-verified on 2026-10-14 (ambientCG: https://docs.ambientcg.com/license/ "All ambientCG assets are provided under the Creative Commons CC0 1.0 Universal License"; Kenney: License.txt inside each pack, CC0 1.0):
street.jpg (512 px crop of the 1K map, q68), street-256.jpg (same crop at 256 px) | Asphalt 033 (1K-JPG, Color map only) | ambientCG | https://ambientcg.com/view?id=Asphalt033 | CC0 1.0
housing.jpg (256 px, crop of the 1K map) | Metal 028 (1K-JPG, Color map only) | ambientCG | https://ambientcg.com/view?id=Metal028 | CC0 1.0
mask_round.png (Transparent/circle_d.png, 256 px), mask_cone.png (Transparent/cone_c_blur.png, 256 px, flipped vertically) | Light Masks 1.0 | Kenney (kenney.nl) | https://kenney.nl/assets/light-masks | CC0 1.0
circle_02.png, circle_05.png, window_01.png, window_03.png, trace_02.png (128 px) | Particle Pack 1.1 (PNG Transparent, downscaled) | Kenney (kenney.nl) | https://kenney.nl/assets/particle-pack | CC0 1.0
Not used: ambientCG Painted Metal 012 and OGA "Rain Particle Animated" (optional; drawn grain/ripples instead).
Covers also embed street-256.jpg, mask_cone.png and window_01.png as base64.