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MauricioDUARTE
@mauricioduarte
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Bio
Engineer, Designer and Motion Graphics
Achievements
MakerWorld Guardian
Active more than 20 days out of last 30 days UTC time
Contest Winner
Won 3 model contest awards.
Featured Creator
4 models are featured by MakerWorld.
Maker's Supply Contributor
1 model with Maker's Supply Model Kit achieves 500 successful prints.
Popular Creator
More than 1,000 followers.
Recent Article
PUSHING FDM SCALE MODEL QUALITY
PUSHING FDM SCALE MODEL QUALITYSURFACE FINISHING AND PAINTING OF THE SPACE SHUTTLE ORBITERBUILD-A-ROCKET KIT In this project, we set out to demonstrate how far the visual quality of an FDM-printed scale model can be taken with proper post-processing.The subject is the Space Shuttle Orbiter from my BUILD-A-ROCKET kit, printed by me on a Bambu Lab A1 and professionally finished and painted by my friend and scale modeling specialist Flavio Scheiner.The goal was to achieve a surface and paint quality comparable to injection-molded scale models, while starting from a standard PLA FDM print. 1. Surface PreparationThe process began with a complete sanding of all printed parts to remove layer lines and small surface imperfections inherent to FDM printing.After the initial sanding, a surface leveling putty was applied:Product used: Tamiya Putty WhitePurpose: Fill micro-gaps, seams, and remaining print artifactsAfter drying, all areas were sanded again to restore clean geometry and smooth transitions. 2. PrimingOnce the surface was uniform, the model received:Three coats of primer, applied with an airbrushAfter each coat:Full dryingLight sanding with very fine grit sandpaperThis step is critical to:Reveal any remaining defectsEnsure perfect paint adhesionCreate a homogeneous surface tone for the final colors 3. Base Paint ApplicationWith the surface fully prepared, the painting stage began:Paint type: Automotive polyester paintApplication method: AirbrushThe sequence:White base color applied first (main body color of the Orbiter)After curing, the model was carefully masked for the black areasBlack polyester paint applied using precision masks, including:Standard masking tapesFlexible curve masking tape for complex contours 4. Details and Panel LinesTo reproduce the characteristic panel layout of the Space Shuttle:Panel lines were added using thin decal stripsFine details were enhanced with:Ultra-fine brushwork for small markings and correctionsThis step brings scale realism and breaks the uniformity of large white surfaces. 5. Clear Coat and Final FinishThe final protection and surface refinement consisted of:4 to 5 coats of semi-gloss automotive polyester clear coatAfter full curing:Light wet sanding using water sandpaper, grit 5000 or finerAlways sanding with the surface fully wet to avoid scratches and achieve optical smoothnessThis final step unified all layers, protected the decals, and delivered a scale-accurate sheen. Final ResultThe combination of:High-quality FDM printing on the Bambu Lab A1Professional surface preparationAutomotive-grade paintsPrecision masking and detailingresulted in a Space Shuttle Orbiter that visually rivals traditional plastic scale models, proving that FDM printing, when paired with advanced finishing techniques, can reach an exceptional level of realism.  Special thanks to Flavio Scheiner (Instagram @flavio_scheiner) for the outstanding modeling, painting, and finishing work that brought the BUILD-A-ROCKET Orbiter to this level of quality. Thank you.