Our project is a modular capsule system for buildings in space, the design is inspired by a truncated octahedron for its ability to fill spaces, in this way having connected buildings with the possibility of expanding to large buildings.

Currently, the geometries with which capsules or ships are designed are a limitation for modular systems to have more efficient systems in terms of dimensions and could be reflected in launch costs.

Each of the modules or capsules has a coupling system composed of two subsystems, the first subsystem is an electromagnetic coupling and the second subsystem is a hydraulic clamping.

The docking of modules for space missions involves multiple docking and undocking procedures, either for the construction or reconfiguration of some set of modules. An electromagnetic coupling system is proposed to reduce risks from coupling by propellants. Electromagnet-based coupling can provide smoother and more precise coupling, the main components for this type of coupling are: electromagnets, gyros, lasers, batteries, and electronic devices.

There are two control systems, the first one controls the required force that the electromagnet will have to exert for the coupling and thus determine the current that will be introduced to the electromagnets, taking into account the distances and the speed of the module.

The second control system is that of the alignment of the modules is carried out by sending a laser light beam to a receiving prism in the other module that receives the light beam, in this way the two modules obtain the correct information for the alignment of the modules, this can be monitored in the event of an angular difference of the modules, as well as the displacement values that must be applied to achieve the correct alignment achieves very precise results.

To secure the coupling we use a mechanism of one degree of freedom, driven by a hydraulic piston. This mechanism allows us a great pressure and safety in the movement. The proposed fluid type for a correct operation is oil type, because its viscosity will help to the required strength.