How do I solve 4 down in Daily Telegraph Cryptic 31238?

Question

Accepted Answer

4 down reads "Former lover, generously proportioned model" (7 letters); the answer is EXAMPLE. It's a charade: the answer breaks into parts in clue order, each part clued by a word or short phrase. No indicators needed; watch for standard abbreviations (RA = artist, US = American, IN = at home) and short synonyms. The full step-by-step breakdown is on this page.

Former lover, generously proportioned model (7)

4D — Former lover, generously proportioned model (7) — EXAMPLE