Our 3D Printing Blog

3D Printing · 2026-04-04 · 5 min read

3D Printing File Formats: STL vs 3MF vs OBJ vs STEP

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 · 2026-04-04 · 4 min read

3D Printing Tolerances & Accuracy: Technical Guide 2026

3D printing accuracy depends on the technology: FDM achieves ±0.2–0.5 mm, SLA ±0.05–0.1 mm, and SLS ±0.3 mm. This guide explains what dimensional tolerances are, how to design for them, and which technology is best for your application.

Technology · 2026-04-04 · 6 min read

How AI Is Changing 3D Printing: Design, Slicing, Manufacturing

Artificial intelligence is changing 3D printing in four key areas: generative design (AI designs lightweight structures), automatic slicing, quality control via computer vision, and price calculation from 3D files right after upload. In 2026, these capabilities are available even to small print services.

Comparison · 2026-02-08 · 7 min read

Craftcloud Alternative? Niro3D vs Craftcloud Compared

Niro3D wins: calculates prices from real G-code, prints directly, and delivers in 1–3 days. Craftcloud aggregates 150+ printers with no quality control; hidden costs add 30–50% to the displayed price.

Ordering · 2026-02-01 · 4 min read

Order Multicolor 3D Printing: How Much It Costs and How to Save

Order multicolor 3D printing on demand — up to 4 colors in one print, no gluing. Each swap adds 2–5 g of waste, but smart color layout at Niro3D cuts cost by 100–150 CZK.

Guides · 2026-01-28 · 5 min read

Your First 3D Print: A Complete Beginner's Guide 2025

Order your first 3D print online in 5 steps — no printer needed, delivered to your door in 3–7 business days.

News · 2026-01-14 · 3 min read

Niro3D: Online 3D Print Calculation — Price Right After Upload

Niro3D lets you order custom 3D prints online in minutes: browse catalog without registration, upload STL/3MF models and get the price right after upload.

Marketing · 2025-12-17 · 2 min read

3D Printed Promotional Products That Get You Noticed

3D printed merch is kept by recipients up to 3× longer than catalog items — and can be produced from as few as 10 pieces with no mold costs.

Ecology · 2025-12-17 · 2 min read

Is 3D Printing Eco-Friendly? Materials & Sustainability

3D printing generates up to 90% less waste than milling, PLA is made from renewable resources, and local production in Prague eliminates emissions from intercontinental shipping.

Guide · 2025-12-17 · 2 min read

From Idea to Finished Product: How Custom 3D Printing Works

Custom 3D printing at Niro3D takes 5 steps: consultation, 3D modeling (simple parts done in 30 minutes), material selection, printing, and delivery.

Education · 2025-11-14 · 5 min read

3D Printing in Schools: Bring Education to Life

3D printing turns abstract concepts into hands-on models students can hold. We make educational aids from safe PLA or PETG, so a school needs no printer of its own.

Guides · 2025-11-14 · 7 min read

Common 3D Printing Problems and How to Solve Them

The 7 most common FDM printing problems have specific fixes: eliminate stringing by reducing nozzle temperature 5 °C at a time, prevent warping by heating the bed and drying the filament.