# Have difficulty closing the open polysurface!

**URL:** <https://discourse.mcneel.com/t/have-difficulty-closing-the-open-polysurface/89616>\
**Category:** Rhino for Windows\
**Created:** [September 30, 2019, 12:59pm UTC](https://discourse.mcneel.com/t/have-difficulty-closing-the-open-polysurface/89616 "2019-09-30T12:59:02Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![jdlai.tw](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/jdlai.tw/32/318680_2.png) [@jdlai.tw](https://discourse.mcneel.com/u/jdlai.tw)\
**Post date:** [September 30, 2019, 12:59pm UTC](https://discourse.mcneel.com/t/have-difficulty-closing-the-open-polysurface/89616/1 "2019-09-30T12:59:02Z")

</div>

I tried many ways close this open polysurface but they wouldn’t work. Can any one tell me what’s wrong with the file?Thanks! ![spoon.3dm|attachment](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/5/8/587bd056f87a429b0b73669528366882ae095cd0.3dm) (578.0 KB)

---

<div class="post-metadata">

**Author:** ![Normand](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/normand/32/476050_2.png) [@Normand](https://discourse.mcneel.com/u/Normand)\
**Post date:** [September 30, 2019, 1:07pm UTC](https://discourse.mcneel.com/t/have-difficulty-closing-the-open-polysurface/89616/2 "2019-09-30T13:07:35Z")

</div>

Hi @jdlai.tw  
Looks like something went wrong with the upload. Could you try to re-upload the file? I’m sure someone will take a look 🙂  
-Jakob

---

<div class="post-metadata">

**Author:** ![jdlai.tw](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/jdlai.tw/32/318680_2.png) [@jdlai.tw](https://discourse.mcneel.com/u/jdlai.tw)\
**Post date:** [September 30, 2019, 1:25pm UTC](https://discourse.mcneel.com/t/have-difficulty-closing-the-open-polysurface/89616/3 "2019-09-30T13:25:35Z")

</div>

[spoon.3dm](https://discourse.mcneel.com/uploads/short-url/cCLhOnM7gO0jXH49ZeG4lhc0C9G.3dm) (578.0 KB) try this !thank you.

---

<div class="post-metadata">

**Author:** ![pascal](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/pascal/32/479395_2.png) [@pascal](https://discourse.mcneel.com/u/pascal)\
**Post date:** [September 30, 2019, 3:31pm UTC](https://discourse.mcneel.com/t/have-difficulty-closing-the-open-polysurface/89616/4 "2019-09-30T15:31:00Z")

</div>

Hello - the border curve for the plane that closes the shape is not quite planar:

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/a/2/a26d398051bd719546af3f5e380fb4cefc771b6a.png)

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/9/e/9e9e41237405cea5ce6e9bf0427a2454c34a8cd8.png)

-Pascal

---

<div class="post-metadata">

**Author:** ![jdlai.tw](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/jdlai.tw/32/318680_2.png) [@jdlai.tw](https://discourse.mcneel.com/u/jdlai.tw)\
**Post date:** [September 30, 2019, 4:48pm UTC](https://discourse.mcneel.com/t/have-difficulty-closing-the-open-polysurface/89616/5 "2019-09-30T16:48:45Z")

</div>

Thanks, Pascal!  
Finally got the wrong place .Trying to fix it!