Sinyo if you use a denser/heavier kind of wood that barely floats
build 5 alike lures on the first you DONT add any weight at all .
Finish it completely testrun it so it swims find the centre of movement ,the so called X-point in which it doesnt move seen from above THIS is your weighting point .
Now add a light weight to it so it sinks with the desired sinkingrate ,if done correctly you´ll have a perfectly swimming sinking lure .
You dont have to look at other x-rayed baits since they are calculated by a whole team of designers and computers if you follow my simple guide to building a sinking lure.