Nonmanifold edge .. boolean Error


#1

anyone know this Error?

here is that Error 3DM file


#2

Isolate the red arrow, then explode it.
You will find out there are two surfaces at the bottom of the arrow.
Clean that and the boolean difference will work.

Thanks,
-C-H-A-R-L-E-S-


(John Brock) #3

Nonmanifold edges are described and shown in the Help file.