Sit with old master sprawling — might one? (7,5)

I believe the answer is:

artists model

'might one?' is the definition.
Although both the answer and definition are singular nouns, I can't see how one could define the other.

'sit with old master sprawling' is the wordplay.
'with' means one lot of letters go next to another.
'sprawling' is an anagram indicator.
'sit'+'old'+'master'='sitoldmaster'
'sitoldmaster' with letters rearranged gives 'ARTISTS MODEL'.

(Another definition for artists model that I've seen is " Sitter for painter".)

I've seen this clue in The Times.

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