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Mesh error in STL format

lostarmour

I have been trying to repair a STL file so that I can run it on my CADFEKO. However, after repairing it on FreeCAD, it still shows an error and that is --- 'The triangle number 1 has neither an edge nor a connection point'. As I am new to this tool, I have no idea how to fix it. Please help.

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QuyNguyenDai

Maybe share this STL file?

lostarmour

@Q.Nguyen-Dai Please find the STL file edited on the question.

QuyNguyenDai

No error/warning message when I import your STL into Hypermesh 2019.1

lostarmour

No error/warning message when I import your STL into Hypermesh 2019.1

I get the error when I run it on CADFEKO with a frequency of operation from 3 GHz to 12 GHz and with a plane wave excitation.

QuyNguyenDai

Sorry, I don't know CADFEKO. But I can confirm you that your STL is valid & readable /emoticons/default_tongue.png' srcset='/emoticons/tongue@2x.png 2x' title=':P' width='20' />