Info EDUARD
Monthly magazine about history and scale plastic modeling.
How to Work with 3D Prints in Modeling
In recent years, 3D printing has gained widespread popularity in the modeling industry, particularly for accessory production. A few years ago Eduard, too, embraced this technology, gradually replacing traditional casting methods with direct printing, constituting approximately 80% of our Brassin production.
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JAK NA 3D TISKY?Jakub NademlejnskýIn recent years, 3D printing has gained widespread popularityin the modeling industry, particularly for accessory production.A few years ago Eduard, too, embraced this technology, graduallyreplacing traditional casting methods with direct printing,constituting approximately 80% of our Brassin production.Removing Supports: Cut supports using a sharp scalpel, razor saw, or ultrasonic knife.The primary advantage of 3D-printedaccessories lies in their simplicity, withfewer parts enhancing user-friendlinessin terms of assembly. Unlike cast kits thatsuffer from shape instability due to molddegradation, 3D-printed parts maintaindimensional stability.Here's an overview of working with our3D prints, simple activities suitable formodelers of varying skill levels.The 3D printed parts are connected tothe base through printing supports. Thesesupports are typically terminated directlywith a rod in areas where the side is notvisible. When the supports are attachedto the visible side of the part, small ballsare added to the top of these supports toprevent them from chipping off along witha piece of the set's part during removal.How to Workwith 3D Printsin ModelingINFO Eduard70March 2024Page 2
JAK NA 3D TISKY?Sand the remaining supports with a fine grinder. Polish the part for a smooth finish.Cut through supports with the knife at a higher gear and low pressure.Trim any remaining residue with an ultrasonic knife.Procedure with an ultrasonic knife, such as the ZO-91 from HONDA Electronics.INFO Eduard71March 2024Page 3
JAK NA 3D TISKY?Trim any remaining residue with anultrasonic knife.Cleaning the Part: Use a grinder to clean the entire part,opting for a coarser grinder if the side is not a visible face.Finished cleaned part, ready for gluing or painting.For very thin parts, use a razor saw or ultrasonic knife instead of a scalpel. A razor saw or ultrasonic scalpel is better for such parts.For less critical areas, roughly trim supports with a scalpel or remove themwith a fingernail.After sanding, the part is ready to be installed in the model within a minute.INFO Eduard72March 2024Page 4
JAK NA 3D TISKY?I will also prepare the same part of the cockpit tub on F-16C 1/48 from Kinetic for gluing into the kit.Glue 3D print parts using superglue; solvent welding adhesives designedfor plastics won't work. As in previous procedures, I first drip a few dropsof superglue onto the coated paper after.With a few drops of superglue applied with a cut needle, I glue the cockpitinterior to the plastic airframe section.Degrease 3D printed parts with isopropyl alcohol before painting.I place the cockpit assembly into the model.INFO Eduard73March 2024Page 5
JAK NA 3D TISKY?Some parts may have a visible raster, due to technological reasons.This can be sanded first with a coarse and then with a fine grinderuntil smooth.Before spraying the part with paint, I recommend spraying the part with a few coats of Mr. Surfacer 1000 first.Now I can apply the paint and finish the cockpit by the classic way.Another option is to polish the spot with a cotton swab dipped in isopropyl alcohol.It needs to be polished for a longer period of time. In areas that are difficult to sandor have details nearby, this procedure is appropriate. The material we use for 3D printfrom at Eduard is quite flexible, if you want to bend the parts, I recommend soakingthem in hot water beforehand to soften them.Product pageINFO Eduard74March 2024
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Info EDUARD