Do not use brittle PLA. Print vertically support under the prongs so print lines would be along the prongs, not perpendicular.
Source:
https://cad.onshape.com/documents/872e34fee81ee9020e2347db/w/52d2bcbc46a2d83f9601102a/e/bf2a4696be0d34cbb097be4a
The author marked this model as their own original creation.