@Michael Thank you for the pro tip, I will try make some more attempts remembering your guides. Much appreciate:)

@Zarkow Once againg, thank you! Thats almost, what I`m looking for:-P Almost, because there is still this ugly pinch where two harde dges collide. At the original bottle, its completly smooth. But seriously: thank you! I`ll try to make some new tries with Michels and yours help:)