Model of Ana's Biotic Grenade remade in Fusion360 according to original model extracted directly from OW.
Parts may need to be glued together.
These settings worked great for me:
Print without supports, raft or brim; 9% rectilinear infill; 0.2mm resolution; 3 outline shells; 3 bottom layers; 4 top layers:
1x bottom
1x top
1x ball
1x capBottom
1x capTop
Print with brim and supports as indicated in the picture; 9% infill; 2 outline shells; 3 bottom and top layers:
4x thingy (i know, great naming)