The file 'AA Battery Holder, Holds 2 Batteries 3D Printer Model' is (stl) file type, size is 1.5MB.
I made a 2X AA battery holder, with additional bridges of material connecting the two. Place 2 of these back to back for a 4X AA battery holder.
battholder_AA_double_Reinforced.stl | 3.6MB |