Weird trimming thing

I cannot trim this object and have identified the surface that is stopping me but i can’t work out why.
I am attempting to cope the beam.

image
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beam test.3dm (119.9 KB)

> Trim, even WireCut works well here if you first SimplifyCrv. The trim-curve is very dense at the rounded regions, simplify creates nice degree-2-arcs.

1 Like

hmm,Yeah i tried to simplfy but it still wouldn’t work.

thanks

does this video help?
I’m using the cutter on gumball after running simplifycrv

it’s ok,i got it working,Thanks