For the trouser/pants and the top I used this software to print out a basic pattern so that I could make them. I will heavily modify them once there made.
http://www.patternmakerusa.com/
As for the Ribbing. I used your video Dale and the video I found on how to sew Welt cord. Since I have never done anything like this before. I went to my local material shop and bought some vinyl and some welt cord and decided to see how hard it was.
Since I found it not as hard as I thought it would be just laborious. I have ordered the correct welting which is a firmer plastic one 350 meters and 200 meters 4 rolls of double sided tape. Next time I make some more pipping I will make a video and upload it.
For reference I used just photos of the undersuit that I found in the gallery here. My Krop suit is gone, but I wouldn't use that as reference. Unless I was making a dog blanket....
John the sewing machine I have is a cheap one. Less than $100. make sure the machine you get has a