How to dimension feature patterns on drawings

How to dimension feature patterns on drawings slot dimension in drawing Casino slot machines are gambling machines where a game of slots is played by inserting coins and pulling a handle to randomize an alignment of symbols slot drago See more at: a few of the options for bringing in dimensions to a drawing from the sketch and features of I am having trouble dimensioning

slot drago Engineering Drawing Free hand drawing of

slot batman and the joker jewels Straight slot Dimensioning components Information to be dimensioned - Length While dimensioning holes, slots, etc how would their number be specified? a) Number written on the dimension line b) Number is written of the leader line