Getting rid of isolines after joining two surfaces

Rhino Rhino for Windows
1

Hey guys. Is there any way to get rid of those isolines after joining two surfaces? I have basically filled up a hole using a “planarsrf” command and then used “join” and extruded the surface. Even though the extrusion produced a closed polysurface but I was wondering if there is any way to remove that small rectangular box (isolines) to make the surface clean. I have attached two images. Image 1 shows what I am talking about. Image two is what I desire.

Another point of confusion for me is, I have tried using “MergeAllCoplanarFace” command to fill up the hole but it doesn’t

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11793×763 125 KB

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2972×657 26 KB

work. The command line says "Select a mesh, polysurface or SubD face ( MergeAllCoplanar=Yes ) ". But I am not able to select anything. I want to know what is the mistake that I am doing or when can I actually use the command “Mergeallcoplanarfaces”. At last I want to point out that I am using rhino 7.

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Post the file. That rectangle just looks like an unrelated object.

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Practice_Rhino.3dm (64.2 KB)

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If i select that and run Mergeallcoplanarfaces it works. Maybe you had a selection filter turned on?

1 Like
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Thanks a lot mate <3. You are right!!!