three-step display 3d model

Base: 170mm width, 90mm depth. Three stepped platforms. Each tier separated by 40mm height difference. Each tier contains 4 vertical rectangular slots (48mm width each). Dividers 4mm thick. Front wall height 20mm. Back wall height 120mm. Text "FITBODY" embossed 3mm depth on front wall. Designed for 3D printing with no overhang greater than 45 degrees. Flat printable bottom.