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3D Printing File Formats Explained: STL vs 3MF vs OBJ vs STEP (2026 Guide)
There are four main 3D printing file formats: STL (most common, but no colors), 3MF (modern standard with color and material support), OBJ (with textures), and STEP (precise CAD geometry). This guide explains when to use each format.
3D Printing Tolerances & Dimensional Accuracy: Complete Technical Guide 2026
3D printing accuracy depends on the technology: FDM achieves Β±0.2β0.5 mm, SLA Β±0.05β0.1 mm, and SLS Β±0.3 mm. This guide explains what dimensional tolerances are, how to design for them, and which technology is best for your application.
How AI is Changing 3D Printing: Generative Design, Smart Slicing & the Future of Manufacturing (2026)
Artificial intelligence is changing 3D printing in four key areas: generative design (AI designs lightweight structures), automatic slicing, quality control via computer vision, and instant price calculation from 3D files. In 2026, these capabilities are available even to small print services.
Best 3D Printing Service 2026: A Comparison of 8 Platforms
Niro3D leads for FDM in the Czech Republic: 1β3 day delivery, G-code pricing accurate to Β±2%, and 3D visualization with 8 material shaders β no minimum order, no registration required.
Niro3D vs Craftcloud: Direct Service or Aggregator?
Niro3D wins: calculates prices from real G-code, prints directly, and delivers in 1β3 days. Craftcloud aggregates 150+ printers with no quality control; hidden costs add 30β50% to the displayed price.
Niro3D vs Shapeways: Which 3D Printing Service Is Better?
Niro3D wins for FDM printing: G-code pricing, delivery in 1β3 days, and 8 material shaders. Shapeways went through bankruptcy in 2024 and is significantly more expensive for simple parts.
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