@Northstar1989 developed this mod, original thread is here: https://forum.kerbalspaceprogram.com/index.php?/topic/93313-122-netherdyne-mass-driver-mod-version-132-is-now-live/
It was a partial continuation of a previous mod, Stanford Torus Mod, which reached version 0.6.1 for KSP 0.90 on Curse on February 20th, 2015. I do not have a forum thread for this.
@Northstar1989 doesn't have time and I agreed to adopt this.
@FreeThinker assisted @Northstar1989 with the last release for