Thermos Funtainer Bottom

My kiddos bring these 10 oz Thermos Funtainers in the lunches for school. They hold up well, but we had two where the plastic bottoms cracked. The stainless steel part and top were still good but the bare bottom is scratchy and unsightly so I whipped this up in TinkerCad. I added 4 holes to the bottom as I hate how the original often gets water trapped inside, this should help it drain out. I have included the TinkerCad .OBJ file with the object for the imbedded name on the side. I haven't te