Can't dimension overall slot length

This is why we go down a basic distance, a basic 10 in this case, from the top of the slot This is where we will define our feature of size Our size dimension

What is the proper way to dimension a circular slot as shown below? though the starting point is arbitrary, the slots are 0-60, 120-180,

wild wild slot Needing help dimensioning a slotted hole? Guden has some detailed information to help you in the process Click here for an explanation on slot dimensions

rise of olympus slot Dimensioning and Tolerancing a Slot · Select the two parallel surfaces of the groove · Click the Distance