"Those familiar with my blog may recall that our journey together through the art/accident of mesh making began with, and often returns to prim2mesh tools such as Mesh Studio (MS). During a period of particularly poor reliability from the Mesh Studio servers, in 2016, I made a blog post and video explaining how some of the optimisations achieved by Mesh Studio, could, with a little knowledge, be replicated in Blender.
That was a long time ago now, Blender has moved on and while MS remains perfectly adequate for many users, the loyal Mesh Studio user base has been challenged once again by instability and uncertainty. There is no suggestion that the product is anything other than the victim of circumstances ( and a pernicious bug) but it seems appropriate to update the "fallback plan" tutorial(s)"
Read more on the blog.