Angular dimenntional problem

[mehrdadjavaheri]

I've built block with angular dimentional

 

when i try to change ang1 in model space the arc changes like picture below

[DumR0]

Hello

just make a lock on the arc bottom point, see image below

[mehrdadjavaheri]

I can't because I want to change the location of first point by paramer in the horizontal line.

[DumR0 · Accepted solution]

Then use coincident parameter