Helmet Wall Mount

I wanted a wall mount for my helmet that mounted the helmet close to the wall and remained pretty hidden once a helmet was placed on it. This is the fifth iteration of the mount and it seems to work pretty well at this point. The screw comes in two different forms, one with the knob and screw as one piece and one where the knob is separate. I figured that some people would want a knob they could use between all the wall mounts instead of having a separate knob on each. Here's a post about it on my Instagram. There are more posts about the helmet mount there as well as some previous iterations.https://www.instagram.com/p/COs4MjzLkvc/ NOTE: Yes, I know this will put strain on the back of the helmet. PrintingFor my prints I went with 3 perimeters and 20% infill, but if you have a heavy helmet you want to hang, then more perimeters will increase the strength. The parts are modelled to be printed without supports. AssemblyThe only hardware you need is 4 m3 screws: 2 x 5mm (6mm might wor