Simple filament extruder screw.
Variable height. Simple to manufacture.Detailed drawing.
STL (Stereolithography, filesize: 456 KB), OBJ (OBJ, filesize: 394 KB), 3MF (3D Manufacturing File, filesize: 164 KB), AMF (amf, filesize: 935 KB), DWG (AutoCAD, filesize: 40.6 KB), X_T (Parasolid, filesize: 363 KB), IGE (IGES, filesize: 192 KB), PDF (PDF, filesize: 787 KB), DXF (DXF, filesize: 129 KB), SAT (3D ACIS, filesize: 1.04 MB)