GrabCAD
A design in the form of a suspension type bridge. The idea was to move most of the load bearing components to the centre of the module, thereby minimising floor thickness and maximising compactness. The design has 22 degrees in roll pitch and yaw. It utitilises two extending central rails from which the floor beams are suspended. Ovelapping panels provide the walking surface. The beams were to be constrained with a pulley arrangement which I have not had time to complete, niether a structural or mass analysis, but I have provided here what I managed to achieve. I think it is an ideal arrangement in theory, although more complex in practise. The design could be simplified to achieve the minimum requirements (15 degrees in roll pitch and yaw) The rails also double as handrails.
Direct link to the original creator's page
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GrabCAD
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GrabCAD
This model is published by its creator on GrabCAD. STLFinder only indexes it: the "View on GrabCAD" button above opens the original page, where the creator shares the RENDERING, STEP / IGES files under their own license.
This model is compatible with most FDM 3D printers (Creality Ender 3, Prusa MK3S+, Bambu Lab, etc.) and resin printers (Elegoo, Anycubic). Check the original page for recommended print settings and materials.
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Check the license (see original page) on the original GrabCAD page. Most STL files can be modified using free software like Blender, TinkerCAD, or Meshmixer.