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Software
Best Free CAD Software for 3D Printing in 2026: Fusion 360, FreeCAD, OpenSCAD, and Tinkercad Compared
From beginner-friendly Tinkercad to parametric powerhouses like FreeCAD and OpenSCAD, the free CAD landscape for 3D printing is strong in 2026. Here is how the major options compare.
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Industry
Construction 3D Printing Beyond ICON: COBOD, CyBe, Apis Cor, and What Has Actually Been Built
ICON gets the headlines, but construction-scale 3D printing includes COBOD, CyBe Construction, and Apis Cor. This guide covers the technology, what has been built, and what barriers remain.
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Printers
Elegoo Neptune 4 Max Review: Giant Bed, Klipper, and Value Printing in 2026
The Elegoo Neptune 4 Max packs a 420×420mm bed, Klipper firmware, and 500mm/s claimed speed into a budget-priced package. Here is what the machine actually delivers.
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Business
Who Actually Makes Filament: The Supply Chain Behind Your Spools
The filament market is less diverse than it appears. A small number of polymer manufacturers supply most brands. This guide traces the supply chain from raw resin to finished spool and explains what quality differences actually matter.
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Materials
High-Speed PLA: How to Print at 200–300mm/s Without Sacrificing Quality
High-speed PLA formulations from eSUN, Polymaker, and others are engineered for 200–300mm/s printing. This guide covers what makes them different, the right settings, and the hardware you need.
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Guides
How to Calibrate Flow Rate and Extrusion Multiplier: Ellis Method, Cube Tests, and Orca Tools
Incorrect flow rate is one of the most common sources of print quality problems. This guide covers the cube test, Ellis extrusion calibration method, and Orca Slicer built-in tools step by step.
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Guides
How to Dry Filament: Temperatures, Dryers, Ovens, and Long-Term Storage
Wet filament causes bubbling, stringing, and weak layer bonds. This guide covers drying temperatures for every common material, filament dryers vs kitchen ovens, and proper storage to prevent moisture uptake.
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Industry
Humanitarian 3D Printing: Shelters, Prosthetics, and Real Field Deployments
Field Ready, e-NABLE, and other organizations have deployed 3D printing in disaster relief and conflict zones. This guide covers what has worked in the field, what has not, and why logistics often matters more than the technology.
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Industry
Medical 3D Printing in 2026: FDA-Cleared Implants, Surgical Guides, and Prosthetics
Medical additive manufacturing has moved from research novelty to clinical routine. Here is what is FDA-cleared for patient use in 2026, from titanium spinal implants to custom surgical guides.
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Materials
Metal-Filled Filament: Copper, Bronze, and Stainless — Printing and Polishing Guide
Metal-filled filaments pack real metal particles into a PLA carrier, enabling prints that look, feel, and partially behave like metal. This guide covers printing, polishing, and electroplating.
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Materials
Nylon Filament: The Complete Printing Guide for PA6 and PA12
Nylon is one of the strongest and most versatile engineering filaments, but it is also one of the most demanding to print. This guide covers moisture control, bed adhesion, enclosure requirements, and post-processing.
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Business
Open-Source vs Proprietary 3D Printers: The 2026 Trade-Off Guide
Voron and Prusa represent open-source printing; Bambu Lab and Ultimaker S-series represent the proprietary end. Both camps offer real advantages — this guide breaks down the honest trade-offs for 2026.
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