Q: I am doing an arcade stick build and am curious as to what the measurements of the Seimitsu SS mounting plate are. Can you help?
A: The measurements for the Seimitsu SS mounting plate are 91.6mm x 65mm x1.6mm. It is intended for use with the LS-32, LS-32-01, LS-38, LS-40 and LS-40-01 joysticks. Below is an infographic with exact distance measurements of all points of the plate (credit goes to Akihabara Shop):