This vowel chart gives a general idea of the vowel space of Old Occitan. It is not meant to be a precise mapping of the tongue positions, which would be impossible to do anyway since there are no native speakers of that language.
This vector image includes elements that have been taken or adapted from this file:
IPA_vowel_trapezium.svg: Moxfyre (talk)
Ga_open_allophones.svg: Angr (talk)
Tiberian_Hebrew_vowel_chart.svg: Mr KEBAB (talk)
derivative work: Mr KEBAB (talk)