Spline cut/trimm problem (help)

Hi,

I got another problem. I have an object made by spline lines, but trimm does not work.
I looked for solution but can not find any hint.
How can I delete the lower part in my drawing?



Thanks for any help
Jörgen

Splines do not react to most editing like trim. It is best to avoid them if possible.
You will have to redraw it, sorry.