Man and woman wedding rings

I need two rings designed in STL format for print and cast. I have detailed the specifications below.

These will be needed as soon as possible please.

Half eternity wedding ring:
9 stones on top of the band in total
Each stone should be a 0.05 carat (0.45 carat total, 2.4mm stones)
To be made in platinum
Total weight: 4.3 grams
Ring internal diameter: 14.5mm (size G)
Width of shank should be 2.4mm wide
Ring will be worn with hidden halo engagement ring, it should fit snuggly under the centre stone of this when worn together (Image attached).
I have attached some pictures for reference

Men’s love screw ring:
To be made in platinum: 8.2 grams final weight
Ring size: 54
Should have 6 screws spaced evenly around shank
Thickness (height from finger): 1.4mm
Band width: 5.5mm
Ring should have aesthetics of Men's cartier love ring