One of my posts with an example of 10 decimal places being viable: Strange things happening on corners and with finishing passes - #19 by dalrun
… The sometimes tool radius equals drawing radius bug in that thread appears to have been fixed in v12.
I was playing with something in v12 and discovered (parts of?) drawings can be right click selected. I’m guessing that’s how all the Select tools work, e.g. right click select and then click the resize tool?
… From Select (before selecting the desired tool, e.g. resize). (Shift) right-click to (de)select one or more drawing elements or Shift right-click drag to select multiple elements.