On Tuesday, February 11, 2020 at 12:05:22 AM UTC, Andy Burns wrote:
jkn wrote:

using (Type 2) Button-fix fittings.
You have to be pretty accurate when drilling the holes for the brackets;

AFAIK, they do sell a tool to mark the position of the second part

Yeah, even with that. Mainly because with a large area such as a bath panel,
it is hard to hold it in a predefined place whilst you are trying to press
against the marking pins.