Tell them it's worthless to the Russian people who scaped their dictator and could access their money worldwide without many issues. They go out of the Russia and don't pay taxes to fund the war, ultimately good.
It's not your fault if your stupid government does starts a war against your will and then your paper money is worthless.
For 3D CAD I don't think there is a good alternative to Solidworks or Autodesk ones but for my company uses BricsCAD which is available on linux (debian/ubuntu) and is almost as good as AutoCAD, it's basically a copy so skills are quite transferable and it is cheaper also.
"There are more things … likely to frighten us than there are to crush us; we suffer more often in imagination than in reality." - Seneca
Read the stoic philosophers, more relevant than ever in this day and age.
Laughs in degoogled android