This model is designed to mount on a 3mm panel and comes in three angles relative to the panel 0°, 30°, and 45°.
The mounting pattern is an equilateral triangle with sides of 26mm. You will need to drill three 3mm (or 1/8") holes and one 5mm (or 3/16") center hole. When mounting to an acrylic panel make sure to drill slowly and carefully to avoid cracking, especially when drilling the larger center hole.
For each instance, you will need:
(Pictures show 30° passthrough)
The author marked this model as their own original creation.