Cut along basic cut-line to get rid of most unused lexan.
First you need those two bits
Car should be ready to go, at ride height and with straight body posts!
Body height should be about where you want it to be later on.
Now let's mark it up
shifting forward greatly improves steering (5mm for LTC)
I always like to check that just to make sure it's centered. Do it at the front too. — looking for trim lines.
The height is just so that it'll never touch under cornering.
One line to lead them all ... or your scissors in this case
Tested through many years. Spot in below roof.