Accessory mirror seat for Newtonian Telescope

i only fix the Spider Assembly for Newtonian Telescope because it's hole is too big to m3 nut.
and i cut some hole on the top,this is for Hot Glue 。

in this part you need 6 M3nut, and 3 30mm M3 screw,1 M4nut 1 40MM M4nut.