# Invalid body

**URL:** <https://discourse.shapr3d.com/t/invalid-body/6927>\
**Category:** Modeling Questions\
**Created:** [March 22, 2020, 8:31pm UTC](https://discourse.shapr3d.com/t/invalid-body/6927 "2020-03-22T20:31:11Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![moonlove](https://avatars.discourse-cdn.com/v4/letter/m/ce73a5/32.png) [@moonlove](https://discourse.shapr3d.com/u/moonlove)\
**Post date:** [March 22, 2020, 8:31pm UTC](https://discourse.shapr3d.com/t/invalid-body/6927/1 "2020-03-22T20:31:11Z")

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![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/e/e6922d3196539487dd1ffc0387552ed0f6188f29.jpeg)  
Dont know why i cant extrudE (subtract) the part of the letter here. Can not pull it down! Can smb help please?

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**Author:** ![Victor\_Shapr3D](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/victor_shapr3d/32/3502_2.png) [@Victor\_Shapr3D](https://discourse.shapr3d.com/u/Victor_Shapr3D)\
**Post date:** [March 22, 2020, 10:06pm UTC](https://discourse.shapr3d.com/t/invalid-body/6927/2 "2020-03-22T22:06:16Z")

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Hi, it seems like the sketch of the last letter is intersecting with the sketch of the letter before it and hence extrude fails when you try to push down.

Delete the extruded body from the Items window  
Move the sketch a bit further  
Then you should be able to make the extrude pushing down the selected sketch

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<div class="post-metadata">

**Author:** ![moonlove](https://avatars.discourse-cdn.com/v4/letter/m/ce73a5/32.png) [@moonlove](https://discourse.shapr3d.com/u/moonlove)\
**Post date:** [March 22, 2020, 10:57pm UTC](https://discourse.shapr3d.com/t/invalid-body/6927/3 "2020-03-22T22:57:01Z")

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Man thank you so much u solved my problem  
Appreciate  
Have a nice day