Optional presets (they are NOT applied automatically).

tuning_thin_column_preset.cfg  - the author's "thin long column" look: small puffs (11 m), larger spawn offset,
                                 reduced erosion, warm-neutral shading. Saved 30 IX 2026; settings added later
                                 (flame light, spawn interval/spacing, debug) keep their built-in defaults.

To use one: copy it to GameData/RaymarchedPlumeTrails/PluginData/tuning.cfg (create the folder if needed) and
restart KSP. Or use the in-game debug menu: "Save settings" writes your own tuning.cfg, and
"Reset ALL to defaults" deletes it and returns to the built-in look.
