Repair Hollow Screw Hole STL

My enclosure model opens fine, yet one critical detail is gone—the screw hole comes through as a hollow shell instead of solid geometry. I need the STL repaired so the hole prints correctly with full walls and proper internal fill, without altering the rest of the design or its dimensions.

Please clean the mesh, restore that single missing detail, and send back a watertight, manifold STL ready for slicing. If you rely on tools like Netfabb, Meshmixer, or Blender to patch and re-mesh, that’s perfect, as long as the final file slices without errors in Cura and PrusaSlicer.

Deliverable: one repaired STL, identical in every respect to the original except for the restored screw hole.