Modifying the KSC (Kerbal Space Center)

[DiscrafTsk]

Hello,

I just recently created my custom SpaceX like landing pad as a new part for my another mission. But can someone tell me how could I add it into the kerbal space center like another launchpad and it will be part of it? I'm talking about something like this: 

 or I would really like to know from which mod is this:

Album https://imgur.com/APuG0jq will appear when post is submitted

My attempt (It was totally the first version and I will be improving it) : 

Thanks

Edited March 3, 2018 by DiscrafTsk

[Drew Kerman]