That sounds great Amityville. I personally gave up on the idea of diy as I'm not that good at it lol - it would do my head in. But - it could save a fair bit of money and give you something just right.
The only other thing I was thinking was maybe how to adapt her set up in her current tank so she is happier in there and you can get her out without it freaking her too much - or maybe just some bathtub taming would help her get used to being handled.
If no bathtub, then a playpen
https://www.youtube.com/watch?v=kjyEme2xcq4