Hey bud, sorry for the late reply. I've been using the tool called SketchUp for the plans. It has a bit of a learning curve.
https://www.sketchup.com/en/plans-and-pricing/sketchup-freeThey have a free online version that runs in your browser which I've linked above. You need to create an account through. However, they're last
Windows version that was free is "Sketchup Make 2016" which is actually what I use. You'd have to find a download for it through. It might just be the 2016 pro version without a license code.
The cabinet is complete except for custom software that I've been slowly coding. I was hoping to have it done, but I'll work on posting pictures.
Building myself had saved me $1-2k versus buying one, and I have far better components inside as well as better material. I actually have a doc that has all of my costs which I can post as well. I'll work on getting final shots and posting here this weekend.