Well, i was struggling with my seeds to get them to grow, so i decided to find a solution and get inspired.
I propose you this design, might have seeen somewhere else but remix it a bit , sleeker and thiner .

X Y Z

Size plate ( 179 x 179 x 11,6mm )

part a_size ( 22,2 x 177 x 48,1mm )

part b_size ( 2 x 130 x 38,5mm )

infill ( 60% - 80% )