It is a replacement for 00615899 part button bosh microwave like https://www.amazon.co.uk/Bosch-Button-Genuine-number-00615899/dp/B00XOR1DHU

It is not 1:1 copy because of reliability after a print I make it little bigger. After print you need refit metal cap from your old button and its ready to use :D.

Yes

0,5

100

Use support from plate only. Print it in this position and cut your speed in half should be good depending on printer. Scale part depends on your material and printer ; ).