I made a very simple rendition of 'The Acidbath' in DeePSea, a Doom level maker. Don't post here telling me how bad it is, i made it in about 3 minutes.
Note:
To run Custom levels in doom or doom II, in the DOS prompt, type [doom executable name] -acidbath.WAD
Screen at: http://khamelion.fgvhost.net/acidbath.jpg
Download at: http://khamelion.fgvhost.net/acidbath.WAD