Rear fork - part 2

So with a little thinking I came up with a 'jig' to hold the fork legs in position.
This picture shows the jig mounted on the fork before cutting:

Basically, it is a bar of M10 thread passing through the center of the fork with a piece of square tube for the axle. When torquing down the nuts, everything is fixed in place.
The white tape you see on the fork legs is to mark where I have to cut off the legs to shorten them.

Next step was the cutting:

And finally, bringing the fork legs to the new position by adjusting the nuts: