A figure that is calculated to make the mob rush (7)

I believe the answer is:

rhombus

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'a figure that is calculated' is the definition.
'rhombus' can be an answer for 'a figure' (rhombus is a kind of figure). I'm not certain of the remainder of the definition.

'make the mob rush' is the wordplay.
'make' indicates anagramming the letters.
'mob'+'rush'='mobrush'
'mobrush' is an anagram of 'RHOMBUS'.

'to' acts as a link.

Can you help me to learn more?

(Other definitions for rhombus that I've seen before include "Special case of parallelogram" , "Equilateral quadrilateral" , "Four-sided figure" , "Lozenge shape" , "Form of quadrilateral" .)

I've seen this clue in The Irish News.

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