No, you are correct. Which is why I'm waiting for Space pilot's explanation on what is "4D space"
Attribution-
Page URL: File:8-cell-simple.gif - Wikimedia Commons
File URL: https://upload.wikimedia.org/wikipedia/commons/5/55/8-cell-simple.gif
Attribution: JasonHise at English Wikipedia, Public domain, via Wikimedia Commons
JasonHise at English Wikipedia, Public domain, via Wikimedia Commons
Check the file URL for an rotational animation