hey guys! i am fabricating a machine under a Btech project.
i want exactly a "hemispherical" bowl.
diameter = 250 mm (a rough estimation. 10-15 cms higher than 250 would work and 4-5 cms below 250 mm would work)
material= anything but not stainless steels. preferentially aluminium
thickness= anything. but not too thick. maximum 4 cms in worst scenario

i tried searching a few local shops selling utensils. i dint find
please guys! in case, you have any idea where i can find this, please let me know!
money no constraint.