This plugin allows Dynamesh like workflow in 3dsmax.
This is the first release of Dynamax.
DynaMax is a perfect solution for free-form sculpting because it removes all need for focusing on topological constraints. It’s possible to change the overall shape of any DynaMax by pushing or pulling, adding various pieces of geometry to combine into one, or even removing geometry in a manner similar to what you can do with Boolean operations.
It’s in beta and it is not always working 0 stable but it’s usefull f