Joiners, methods of joining, and related systems for additive manufacturing are provided. The method of joining includes bulk depositing, by an additive manufacturing tool head, a joiner (anchor) of a second material in a receptacle in a body of a first material. Also, the method of joining includes depositing an anchor layer of a third material upon the anchor. Networks of joiners in 3D printed parts, multi-material parts comprising joiners, computer program products for providing joiners, joiner systems including trolleys, and related methods and systems are also provided. Further provided is a system, and method, for securing a part to a build platform and separating the part from the build platform.

A system for producing pharmaceutical objects, such as tablets, granules and capsules, via 3D printing. The system comprises a 3D printing machine (2) with a mechanical system (3) movable in one or more directions, at least one print head (5) with a nozzle (37) being movable by the mechanical system and a base system (4) carrying a print base (6) for receiving a prepared mixture (27) applied by the print head (5). The system comprises at least one carrier (35) for holding a cartridge (28). Printing is done at formatted print locations (49) on the base (6). A method for producing pharmaceutical objects by providing at least one pharmaceutical substance in at least one cartridge, placing the cartridge in a carrier, establishing a fluid connection between a cartridge and a print head, moving the print head nozzle according to a program and dispensing the pharmaceutical substance to a print base.

A system for producing pharmaceutical objects, such as tablets, granules and capsules, via 3D printing. The system comprises a 3D printing machine (2) with a mechanical system (3) movable in one or more directions, at least one print head (5) with a nozzle (37) being movable by the mechanical system and a base system (4) carrying a print base (6) for receiving a prepared mixture (27) applied by the print head (5). The system comprises at least one carrier (35) for holding a cartridge (28). Printing is done at formatted print locations (49) on the base (6). A method for producing pharmaceutical objects by providing at least one pharmaceutical substance in at least one cartridge, placing the cartridge in a carrier, establishing a fluid connection between a cartridge and a print head, moving the print head nozzle according to a program and dispensing the pharmaceutical substance to a print base.

A method for producing a three-dimensional porous transition alumina catalyst monolith of stacked catalyst fibers, comprising: a) Preparing a paste in a liquid diluent of hydroxide precursor particles and/or oxyhydroxide precursor particles of transition alumina particles, all particles in the suspension having a number average particle size in the range of from 0.05 to 700 μm, b) extruding the paste nozzle(s) to form fibers, and depositing the extruded fibers to form a three-dimensional porous catalyst monolith precursor, c) drying the precursor to remove the liquid diluent, d) performing a temperature treatment of the dried porous catalyst monolith precursor to form the transition alumina catalyst monolith, wherein no temperature treatment of the porous catalyst monolith precursor or porous catalyst monolith at temperatures above 1000° C. is performed and wherein no further catalytically active metals, metal oxides or metal compounds are applied to the surface.

A method for producing a three-dimensional porous transition alumina catalyst monolith of stacked catalyst fibers, comprising: a) Preparing a paste in a liquid diluent of hydroxide precursor particles and/or oxyhydroxide precursor particles of transition alumina particles, all particles in the suspension having a number average particle size in the range of from 0.05 to 700 μm, b) extruding the paste nozzle(s) to form fibers, and depositing the extruded fibers to form a three-dimensional porous catalyst monolith precursor, c) drying the precursor to remove the liquid diluent, d) performing a temperature treatment of the dried porous catalyst monolith precursor to form the transition alumina catalyst monolith, wherein no temperature treatment of the porous catalyst monolith precursor or porous catalyst monolith at temperatures above 1000° C. is performed and wherein no further catalytically active metals, metal oxides or metal compounds are applied to the surface.

The present disclosure relates to a 3D printer (1) for 3D printing of a construct. The 3D printer (1) has a print bed (2). The 3D printer further comprises at least one actuating tool head (3) with an extrusion element (4), wherein the extrusion element and the print bed are movable in relation to each other. The 3D printer also comprises at least one sensor (5) arranged to sense a force applied to the print bed (2) by the extrusion element (4), or vice versa. The 3D printer additionally comprises a control element (7) arranged to detect when the sensed force exceeds a predetermined value and to record a position of the print bed or extrusion element related to the detection that the predetermined value is exceeded. The present disclosure also relates to corresponding methods and computer programs.

The present disclosure relates to a 3D printer (1) for 3D printing of a construct. The 3D printer (1) has a print bed (2). The 3D printer further comprises at least one actuating tool head (3) with an extrusion element (4), wherein the extrusion element and the print bed are movable in relation to each other. The 3D printer also comprises at least one sensor (5) arranged to sense a force applied to the print bed (2) by the extrusion element (4), or vice versa. The 3D printer additionally comprises a control element (7) arranged to detect when the sensed force exceeds a predetermined value and to record a position of the print bed or extrusion element related to the detection that the predetermined value is exceeded. The present disclosure also relates to corresponding methods and computer programs.

A three-dimensional modeling apparatus includes a nozzle that ejects a molten material, which is a plasticized thermoplastic material, a plasticization section which includes a flat screw having a groove extending in a volute shape and a driving motor that rotates the flat screw, the plasticization section rotating the flat screw to thereby guide the molten material to the nozzle through the groove, and an ejection control mechanism that is disposed in a flow path between the flat screw and the nozzle, and controls an outflow of the molten material from the nozzle.

A three-dimensional modeling apparatus includes a nozzle that ejects a molten material, which is a plasticized thermoplastic material, a plasticization section which includes a flat screw having a groove extending in a volute shape and a driving motor that rotates the flat screw, the plasticization section rotating the flat screw to thereby guide the molten material to the nozzle through the groove, and an ejection control mechanism that is disposed in a flow path between the flat screw and the nozzle, and controls an outflow of the molten material from the nozzle.

Modeling material formulations and formulation systems usable in additive manufacturing of a three-dimensional object, featuring, when hardened, a Shore A hardness lower than 10 and/or a Shore 00 hardness lower than 40, are provided. Additive manufacturing processes utilizing these formulations and formulation systems, and three-dimensional objects obtainable thereby, are also provided.