I wanted my light to be able to be mounted in front of the build plate so I can see what is happening at the nozzle... I have an Ender 3 V3 Plus and a light bar on the very top is not useful at all for me.

I found a side mounted spool and I used OnShape to offset a plane and keep pretty much just the threaded adapter.

I was putting my light strip through the hole but it kind of moves too easy and I keep hitting (working beside my printer).

I designed an insert to put through the hole. The first version's wall was too thin (photo above), so I beefed up the wall (which is the 30mm file above); I also did a 50mm one and I thickened the portion that is sitting out of my adapter... I can also thread it on the side of my build plate, which gives my strip light even more reach!

I will upload the new version and what it looks like once printed...

I recommend using PETG since it's resistant to heat and the strip lights does put out some heat over long period of time...

I have mine with a 1.2mm wall/top/bottom (3 walls), I will print the new insert with a 10% Honeycomb to help it remain sturdy.

Front Bed Light Mount (via side mounted spool adapter)

0.2mm layer, 2 walls, 15% infill