Rocker ramp
11/16" (17 mm) hole slopes up 5 degrees
Ramp is sandwiched from three layers.
Cut the layers slightly oversize, then cut to finał size after gluing them together.
1.62
9.5 cm radius (print out template from plans to get this shape)
This notch gets cut when you drill the exit hole. You may have to tweak this notch with a knife after assembly.