Just two pics to show my build progress.
A Bavarian beer garden stool that has been recycled ( it was bent slightly from customers jumping up and down on it. I found it in the local recycling yard along with an exercise frame cross brace) combined the two and here it is, very stable it is too and the drilling does not waver when I aimed it at a daffodil head.
All my new retirement projects.
My next project is building a high seat frame made up from steel plasterboarding U sections to make it easily a "by one man transportable unit" possibly with BMX cycle wheels at the bottom, on CAD it works out at 9.5kg.
As an ex car body designer I am using those principles
Lets wait and see if it works.