> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.metareal.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Connect rooms & floors

Learn how to connect rooms & floors together in Part 4 of the Metareal Basics series. You'll also learn how to add floor points to corners you can't see, change the slope of the ceiling, and practice adding a variety of objects.

${youtube}[Basics - Part 4](eCnCUNbo5II)

### Table of contents:

00:38 - Upload & explore project package

03:27 - Renaming panoramas

04:14 - Building the Kitchen

04:51 - Adding invisible floor points

06:38 - Add objects (REVIEW)

08:52 - Add windows

09:30 - Join panoramas together (REVIEW)

10:36 - Adding the rest of the floor & objects (REVIEW)

13:02 - Connect rooms (in the same floor) with existing doors

16:52 - Ceiling doors

17:44 - Building the Stairs room

18:02 - Drawing wall points when wall corners are not visible

18:48 - Change ceiling slope

20:00 - Add ground floor & change floor assignment

20:32 - Fix Stairs dimensions

20:53 - Add 2nd floor

21:34 - Adding objects to Stairs room (REVIEW)

22:33 - Checking Nav Map connections (REVIEW)

22:56 - Publish tour (REVIEW)

24:07 - Preview of Part 5

### Additional resources:

1.  [Download project package](https://drive.google.com/file/d/1xQQqIEcI4XFnM7Kz-BVpPxogVs6m1w12/view)
2.  More about [regional pubilshing](/en/article/regional-publishing-4ps5fv/)
3.  [View this video's virtual tour output](https://tour-ap.metareal.com/apps/player?asset=03d8ed39-6d30-4834-bc75-df42b031b474)