I ve had some parts readily available so i've just re-made this model according to my needs.

I used a standard mini usb led stick and a standard usb on-off switch (pictures). led stick is 9.7cm x 1.8cm x 1cm (case included) so if you want to remove the case and use the stick only you should adjust the model accordingly.

For mounts, i've used M5 screws and T nuts so this model is well suited for M5s.

You may want to use supports on the screw gap in the slicer software if you want a clean output but not necessary.

The rest are filler and small hook models for the gaps on the side of the holder.