One third scale?

Question

i have just drawn an object, taken measurements equal to a third of the real size.

Is this scale 1:3 or 3:1

Answer 1

1:3 (just like maps are 1:125,000 etc)

Answer 2

1:3    

3:1 is three times the original size.

Answer 3

1:3 three times bigger  = 1 Divide 3

3:1 times smaller  =  3 Divide 1