A method for laying a plurality of objects to form a polyhedron, the method including: determining a pattern for each of a plurality of courses constituting the polyhedron based on the type of the polyhedron and the frequency of the polyhedron; determining a unique group from each of the plurality of courses; determining members of the unique group and orientation of each the member of the unique group from the plurality of objects; and laying the plurality of objects as determined from the above steps to form the polyhedron.

A method for laying a plurality of objects to form a polyhedron, the method including: determining a pattern for each of a plurality of courses constituting the polyhedron based on the type of the polyhedron and the frequency of the polyhedron; determining a unique group from each of the plurality of courses; determining members of the unique group and orientation of each the member of the unique group from the plurality of objects; and laying the plurality of objects as determined from the above steps to form the polyhedron.

An assembled structure includes multiple first assembling units, each of the first assembling units comprising main body parts and connection parts, wherein the main body parts have a profile shape of a polygon having 6n equal-length sides, wherein n is a positive integer; and the connection parts are provided on each equal-length side of each main body part; and the connection parts on each equal-length side are connected to each neighboring first assembling unit by a sliding pair, and the sliding direction of the sliding pair is the same as the extension direction of the sliding pair on the equal-length side on which the sliding pair resides.

A construction structure of a geodesic dome-shaped house and a connection structure body thereof comprises: a plurality of triangular unit modules constituting a unit structure and a connection structure body of a geodesic dome-shaped house; a pair of inner beams which are disposed on both opposing sides of the triangular unit module; a connector which is disposed in a corner area between the pair of inner beams and connected to the pair of inner beams by a first coupling member; and a pair of outer beams which are disposed on outer surfaces of the pair of inner beams, respectively and connected to the connector and the inner beams by a second coupling member.

A modular self-supporting arched ceiling structure has a plurality of interconnected modules each extending in a first direction over an arc and arranged one after the other in a second direction which is transverse to the first direction, with each of the modules being composed of a plurality of interconnected panels located adjacent to one another in a direction of elongation of each of the modules, and each of the panels has two plates spaced from each other to form therebetween a space which is filled with a cellular material with one of the plates composed of a plurality of strips of a heavy-duty high-modulus material.

A construction structure of a geodesic dome-shaped house and a connection structure body thereof comprises: a plurality of triangular unit modules constituting a unit structure and a connection structure body of a geodesic dome-shaped house; a pair of inner beams which are disposed on both opposing sides of the triangular unit module; a connector which is disposed in a corner area between the pair of inner beams and connected to the pair of inner beams by a first coupling member; and a pair of outer beams which are disposed on outer surfaces of the pair of inner beams, respectively and connected to the connector and the inner beams by a second coupling member.

A 3D thermoplastic pultrusion system and method based upon a 3D variable die system and including one or more sets of 3D thermoplastic forming machines to continuously produce thermoplastic composite pultrusions with at least one of varying cross-section geometry and constant surface contours, varying cross-section geometry and varying surface contours, and constant cross-section geometry and varying surface contours. The 3D thermoplastic pultrusion system and method including at least one of multiple pairs of shapeable and flexible bands and a rotating assembly that rotates the one or more sets of 3D thermoplastic forming machines to impart a twist to the thermoplastic composite.

The present utility model provides a spherical tent frame, comprising a plurality of support rods and a plurality of connecting members, each of the connecting members is provided with at least two connectors and each of the connectors is axially embedded with a socket; wherein an annular groove is provided in a position of the inner wall of the socket close to the bottom, and a plurality of elastic pieces pointing to the center of the bottom of the socket are arranged along the upper edge of the annular groove; both ends of each of the support rods are inserted to the socket to form a hemispherical frame put up with triangles as a unit and the connecting member as a vertex. For the technical solution of this utility model, according to the principle of stability of the triangle, the support rods are set up to a hemispherical frame in a unit of triangle by various multi-head connecting members, with aesthetic appearance, and the frame structure is firm and not easily deformed, and with the elastic pieces in the socket, the support rod is not easily fallen off or loosen from the connecting member after stressed, which assists in enhancing the overall stability of the tent frame and is convenient and quick to install.

A connector includes an elongated member. The elongated member includes a longitudinal axis of the elongated member and further includes a top side and a bottom side. The top side includes a first planar surface and a second planar surface joined at 144 degrees from each other, wherein each of the first planar surface and the second planar surfaces are parallel to the longitudinal axis. The bottom side includes a third planar surface parallel to the longitudinal axis and oriented at an angle with the first planar surface, the angle selected from one of 108 degrees and 126 degrees.

A unitary hub includes a central body and two or more tubular cylindrical prongs that can be used in conjunction with two or more struts to construct a dome or a sphere, such as a geodesic dome. The prongs have a first segment and a second segment that are disposed at an angle. The first segment has a first inner diameter and the second segment has a second inner diameter thereby creating a recess for the struts to be positioned easily and accurately within the prongs. The central body is formed from joining the two or more prongs disposed around an axial axis through a center of the central body. The central body has a top and bottom side with a spherically concaved section having a curvature. The struts may be tubular and cylindrical and can be inserted into the prongs or over the prongs.