# Why there is a broken hole in the mesh?

**URL:** <https://discourse.shapr3d.com/t/why-there-is-a-broken-hole-in-the-mesh/1690>\
**Category:** Modeling Questions\
**Created:** [November 13, 2017, 1:59pm UTC](https://discourse.shapr3d.com/t/why-there-is-a-broken-hole-in-the-mesh/1690 "2017-11-13T13:59:04Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![Gabor\_Shapr3D](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/gabor_shapr3d/32/235_2.png) [@Gabor\_Shapr3D](https://discourse.shapr3d.com/u/Gabor_Shapr3D)\
**Post date:** [November 21, 2017, 3:16pm UTC](https://discourse.shapr3d.com/t/why-there-is-a-broken-hole-in-the-mesh/1690/15 "2017-11-21T15:16:29Z")

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Here’s a thread about how to create a tetrahedron:

> [@Trying to create a tetrahedron](http://discourse.shapr3d.com/t/trying-to-create-a-tetrahedron/776):
>
> Hi, Online tips & tutorials haven’t helped me out with this problem so-far. I’m trying to figure out how to draw a tetrahedron, or pyramid with triangular base; the first of the platonic solids. I got as far as creating a single equilateral triangle as a base, but I’m not sure how I would then go from this into a pyramid shape. I tried extruding it upwards and then trimming a rotated rectangular piece off of it, but this doesn’t result in perfectly equilateral geometry. Any help would be appre…

Now (in Shapr3D 2.2.6) it’s very complicated. This will be super easy in the new version (Shapr3D 3.0). We’ll have a new tool for this.

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