What does the cryptic crossword clue "I persist with plan to rip fabric (12)" mean?

The definition is "fabric". The wordplay uses an anagram. anagram of I PERSIST + PLAN = SLIPPERSATIN The answer is SLIPPERSATIN.

I persist with plan to rip fabric (12)

Independent Cryptic #11658 | 28 Across | 2024-02-21 flower