The schematics editor will help you create buildings! It will also help preserve those buildings, in case you ever need to reset your world or in case of data loss. Better yet, you don't need for coding experience to use it.

Here's a video about how it works:

Ignore that bit about the save button -- it's been removed. Any edits you make should save automatically every 30 seconds. Pressing ctrl will activate the 360 degree perspective.