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Writing on text-to-3D printing
Practical posts on mesh quality, slicer behavior, head-to-head comparisons, and the workflow steps between “I described an object” and “the printer is running.”
GUIDES · 2026-05-02 · 8 MIN
5 Common AI-Generated STL Print Failures (and How to Fix Them)
Inverted normals, non-manifold edges, floating geometry, walls too thin to print, and impossible overhangs. The five failures most likely to ruin your AI-generated print, with diagnostic steps and fixes for each.
ENGINEERING · 2026-05-02 · 7 MIN
1M vs 500K Triangles: Does AI Mesh Density Actually Matter for 3D Printing?
A direct comparison of the two most common AI text-to-3D output densities. What gets resolved at 1M that does not at 500K, when slicers downsample anyway, and the file-size tradeoff most makers underestimate.
ENGINEERING · 2026-05-02 · 9 MIN
Watertight from the Prompt: Why Most AI 3D Outputs Are Not Print-Ready
Most text-to-3D pipelines target rendering, not printing. The result is geometry that looks fine on screen but has holes, inverted normals, or floating parts that a slicer will reject. Here is what watertight actually means and why it has to be enforced upstream.
COMPARISONS · 2026-05-02 · 10 MIN
Text-to-3D vs Photogrammetry vs CAD: When Each One Wins
Three completely different paths to a printable 3D model, each with a clear sweet spot. A decision framework for picking the right one based on what you are making, what reference material you have, and how precise the result needs to be.