kurta-pollock
now this is commendable work
Hey Dear you can Enjoy with this Family , which i have created in revit 2016 and you can use it in revit 2016 , 2017 , 2018 2019 , 2020 and this amazing family is has Parameter instance so you can change the Expand distance and if you place 0 it will be in Close mode as the shots shown this cases Enjoy