EL flat-field panel for astronomy

I made this panel for use with a round electroluminescent panel I got for making calibration frames for my small refractor telescopes. This is based on the Astrophotography 5in EL Panel Circle Flat Frame Kit I bought from Ellumiglow:
https://www.ellumiglow.com/electroluminescence/el-panels/astrophotography-5in-circle-kit

This kit comes with a 5" round EL panel and a frosted white acrylic panel to diffuse the light. It also has a 9V inverter with adjustable brightness. The EL panel has a built-in cord and connector with a fairly long wire and my panel has an area where I wind up the cord. I included a version without the cord area if you cut and splice your cord short.

I use mine with my Samyang 135mm refractor using an offset adapter, but have included several other adapters in various sizes, based on a database of dew shield sizes I found online. I haven't tested these, so let me know how they fit.

A Stellarvue 102mm refractor has a dew shield outer diameter of 123mm. With a