😀I made one for my bow. I used carbon tube that I already had from another project. The tube came from China and was purchased on eBay. It is inexpensive. I have a metal lathe, so I turned my own plugs for each end. I used aluminum on the weight end and Delrin on the end connected to the bow. To dampen any vibration, I cut a couple of groves into the plugs and then used rubber orings between the plug and the carbon.
It seems to work pretty well. I had a factory made stabilizer that was made from some larger carbon tube and I just could not get the weight down as low as I wanted it, so I made my own. I was mainly needing a stabilizer that was about 9" shorter, so that was what I accomplished with this build.
I'll have to take some pics of it to post later, but it turned out pretty decent. If you want to make one, go for it!