nx_underridge_cleaner.nx

nx_underridge_cleaner.nx -- the UNDER-RIDGE toilet-bowl cleaner head, GENERATED OUT OF THE TEAM as a sovereign N-primitive CSG scene (nx_csg_scene) -> watertight NxMesh -> nx_stl_write_mesh -> slicer -> G-code. No 3rd-party CAD anywhere in the path. Design (a FLAT paddle = prints with zero supports; the strong, never-break geometry): * rounded head plate (every glaze-facing edge filleted = never-break NB2) * a recessed POCKET that holds a glaze-SAFE scour/melamine pad -- the pad stands proud of the printed lip, so the ONLY thing that ever touches the porcelain is the soft pad (never-break NB1: the tool cannot scratch the glaze) * two strap slots to clamp the pad (zip-tie / rubber band) * a neck for reach + two MOUNT HOLES to HOOK ONTO a handle ("hookable on") * power vs the black biofilm = pad pressure under the rim + reach, not hard abrasion Axis-aligned v1 (SDF has no rotation yet -> the candy-cane hook tilt is a later rung; the flat paddle is the strongest, most printable starting geometry). All dims Q14-mm (1mm = 16384). The never-break gate reads these same numbers. license_tier: ORIGINAL