|I start by taping the side and eyeballing the size,|
shape and placement of the port.
Some measuring was involved as well, if I recall it right.
Remember not to cut where you glued the side reinforcement braces!
|The hole roughed out with a dremel tool.|
|...and further refined with a file and round sanding stick|
|I trimmed the port with a black-white wooden purfling,|
that had to be jointed in two places to fit the curve of the side
|Done! Hope Jouni likes eggs...|
|The sides are matched to the curvature of the back|
by sanding on the same concave disc that the back bracing was glued on.
First, I mark the whole contact surface of the sides and blocks with a pen...
|...then I sand until all the markings are gone|