Scissor Lamp Adapter 12mm & 13mm ID 20mm OD

I needed a clamp/way to mount my lamp/microphone/smartphone scissor extension arm as the original one broke..I checked on here but none of the ones I found fit my needs and took way too long to print..As you can see from the pictures this thing is basically just an adapter that allows me to drill a 20mm hole in my crappy old desk(yes you'll have to drill a hole in yours to to use it) and adapt it to work with either my 13mm(actually a bit less than13mm) scissor extension arm or my 12mm one(sligh