The mast rake is 10 degrees. The LLF Mini design is like the Linux OS, openscource.
Any significant improvements should be publicised and free for others to use.
I do not think you will much that can be improved though.
I think Paul will concur with all of the above.
You can save the drawings to your computer in .jpg format and then print to A4 paper.
My wooden seat version fits into the boot of my Falcon except for my mast sections which lay down the middle of the cabin of the car.
Happy building. Cheers Cisco