> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ntop.com/llms.txt
> Use this file to discover all available pages before exploring further.

# How to Create Enclosures

Follow the steps below to cover exterior faces and enclose openings.

## Step 1: Import CAD and Drag into Part Input of the Surface Enclosure block

<Frame>
  <img src="https://files.learn.ntop.com/lessons/how-to-create-enclosures/FG_13_Import-CAD.gif" />
</Frame>

## Step 2: Select Flat Surface to Enclose

<Frame>
  <img src="https://files.learn.ntop.com/lessons/how-to-create-enclosures/FG_13_Surface-to-Enclose.gif" />
</Frame>

## Adjustable Inputs

<Frame>
  <img src="https://files.learn.ntop.com/lessons/how-to-create-enclosures/FG_13_Surface-Enclosure.png" />
</Frame>

The enclosure's depth into the part as measured from the input surface.

<Frame>
  <img src="https://files.learn.ntop.com/lessons/how-to-create-enclosures/FG_13_enclosure-depth.jpg" />
</Frame>

The outside thickness of the surface enclosure is measured from the normal of the input surface.

<Frame>
  <img src="https://files.learn.ntop.com/lessons/how-to-create-enclosures/FG_13_thicknessimage.jpg" />
</Frame>

The smallest feature nTop will recognize.

<Frame>
  <img src="https://files.learn.ntop.com/lessons/how-to-create-enclosures/FG_13_enclosureres.png" />
</Frame>

Space between the final part and the enclosure surfaces.

<Frame>
  <img src="https://files.learn.ntop.com/lessons/how-to-create-enclosures/FG_13_enclosureclearance.png" />
</Frame>

The taper angle applies a taper to the enclosure's volume that enters the part to enclose.

<Frame>
  <img src="https://files.learn.ntop.com/lessons/how-to-create-enclosures/FG_13_enclosuretaperangle.png" />
</Frame>

Selecting internal will enclose all surface holes as well as mask the surface. Selecting external adds an additional boundary surface around the face.

<Frame>
  <img src="https://files.learn.ntop.com/lessons/how-to-create-enclosures/FG_13_enclosure-type.jpg" />
</Frame>

Creates an undercut on all interior sharp edges to ensure full plunge depth.

<Frame>
  <img src="https://files.learn.ntop.com/lessons/how-to-create-enclosures/FG_13_edgeclearance.jpg" />
</Frame>