OpenSCAD Model With Animation Video and MakerWorld Multi-Plate Support
Contents Motivation and Purpose Using an Animation to Visualize Key Concepts Working With the Model 1. Get the Files 2. Choose the Dimensions 3. Ins…
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How I stopped fighting print lines and started covering them instead
I spent about two years sanding print lines off models before I admitted the whole approach was backwards. If you print anything you care about, you…
GCodex — A Free G-Code Viewer & Machine Simulator for 3D Printing and Bioprinting
I just launched something I wish existed 3 years ago. Introducing GCodex — a 100% free, fast G-Code Viewer & Machine Simulator built for both 3D…
AR4 Mark 5: This Open-Source 6-Axis Robot Arm Is Finally Done
A six-axis robot arm sitting on your desk used to mean five figures and a service contract. Chris Annin's AR4 quietly tore that idea up — and with t…
I compared every free 3D print pricing calculator. Here's what I found (2026)
The tools I tested LayerMath (layermath.com) The most feature-rich calculator I found. Covers material, electricity (including heat-up phase), labou…
FDM 3D Printing in 2026: Engineering Structural Parts Beyond Prototyping
For years, Fused Deposition Modeling (FDM)—also known as Fused Filament Fabrication (FFF)—was primarily viewed as a tool for rapid prototyping. Engi…
How to get live 3D print pricing in Google Sheets with one formula
If you sell 3D printed items on Etsy (or anywhere else), you've probably done the maths in your head or in a scrappy spreadsheet. Filament cost, ele…
I Built an AI 3D Model Generator — Here's How I Handle Meshes in the Browser
I shipped www.imgto3d.ai a few months ago. It's an AI-powered 3D model generator : you upload an image, pick a generator (upscale, denoise, face rec…
What Nanochon's Series A Tells Us About the Bio 3D Printing Commercialization Threshold
A $2,000 Implant and a Multi-Million Dollar Question In early 2025, Nanochon closed a Series A round to commercialize its 3D-printed cartilage scaff…
I Built a Browser-Based 3D Print Overhang Analyzer — No Backend, No Uploads
Last week I released SupportSage, a CLI tool that analyzes STL geometry and generates optimized support structures. The response was great, but ther…