Works OK initially , after a few hour usage together with bus trip and walking the bottom wing nut loosen slightly need to hand tighten back.
Tripod height not enough for sidewalk outreach with primarily adults , will move back to taller photo tripod.
The adapter don't have space at the edge to place anti-slip screw , have to use the inner hole.
M5 screw washer nut , plumber's tape
M10 drill bit works for 3/8" size , minor difference.
1mm plastic shim to reduce the rattling due to minor size difference
This tripod cup is EQ3 CG-4 size.
3/8"-16 stainless steel hex bolt and wing nut from Taobao
Adapter was repurposed from plastic support stand for washing machine.
Used hotglue nozzle to melt V gap for astro tripod North peg.
It works , can track aircraft overhead.
