How to solve unwanted lines in skp imported files

Entering in the block you can use the AddNgon command.
This would clean all the major extra lines.

still same

2.3dm (410.9 KB)

no i can’t select mesh

image

@su14 - You didn’t the first part: either go into block edit mode or explode the block.
-wim

thanks @wim @skysurfer

how to enter in block can you send video? @wim

Either double-click a block or run the BlockEdit command and select a block.
-wim

thanks @wim