Vereda3D Duna — Twisted Five-Wave Pen Cup | STL + SCAD

A pen cup with a five-wave outline that twists by 38 degrees over its 95 mm height. Cylindrical interior: 52 mm diameter. Overall footprint approximately 76 × 74.93 mm. Base thickness 3 mm. For stationery and dry hobby tools. Includes STL and editable OpenSCAD source. Geometry authored procedurally for this project with AI assistance; no third-party models or visual assets used as modeling inputs. Digital prototype: mesh closure and connectedness checked, and successfully sliced in PrusaSlicer…

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