Not sure what I am doing wrong.
This design is showing just over 5 hours to cut.
1mm bit, 0.5mm cut depth on inside shapes, depth pass 0.5mm 1500mm feed rate.
Outside is ok at 10 mins cut depth 2.6 mm, 1mm per pass, 1500mm feed.
I have attached file.
thanksconfused.c2d (587.2 KB)