Maybe not exactly what you want but who knows...

As Moi Export SKP format you can use the Free BricsCAD Shape

https://www.bricsys.com/en-us/shape/ and you are full BIM compatible! https://www.bricsys.com/en-us/shape/path-to-bim/

It has strong engine for Fillets, Boolean and cool direct modeling functions :)

A curious ergonomy...all can be possible with Right Click /Context menus...