Scince the update from 2019 -2020

Solid analysed parts are now often twisted in the "draw parts in 2d" and in the nest.

Is there a solution for this or a setting that will prevent this?

I continued using 2019 as I could not use 2020 because of this issue but now 2019 has expired in need this to work properly.

Many thanks & kind rergards

Colin