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Print it right the first time.

Settings, fixes and how-tos for desktop FDM printers, from the people building the 3D Tools.

Useful 3D Prints: Gridfinity Bins Shaped to Your Tools | 3D Tools
useful 3d prints

Useful 3D Prints: Gridfinity Bins Shaped to Your Tools

The most useful 3D prints earn their spool: Gridfinity bins with cutouts traced from a photo of your own tools. Specs, slicer settings and fit tips.

Nov 14, 2026
3D Print Keychains in Multiple Colours With One Extruder | 3D Tools
3d print keychain

3D Print Keychains in Multiple Colours With One Extruder

How to 3D print a keychain in several colours on a single-extruder printer: swap filament at set layer heights for names, logos and photo tags.

Nov 13, 2026
Large Build Volume 3D Printer? Split Big Models Instead | 3D Tools
large build volume 3d printer

Large Build Volume 3D Printer? Split Big Models Instead

Do you need a large build volume 3D printer? Often not. Here's how to cut big models into bed-sized parts with connectors and glue them cleanly.

Nov 12, 2026
Thingiverse 3D Printing: Fix, Cut and Support Any STL | 3D Tools
thingiverse 3d printing

Thingiverse 3D Printing: Fix, Cut and Support Any STL

Thingiverse 3D printing without failures: repair non-manifold STLs, cut models too big for your bed, and pick orientation and supports that hold.

Nov 11, 2026
3D Printed Christmas Ornaments That Show Two Images | 3D Tools
3d printed christmas ornaments

3D Printed Christmas Ornaments That Show Two Images

Make 3D printed Christmas ornaments that show a star from the top and a tree from the front: how dual-view shapes work, print settings and limits.

Nov 10, 2026
Photo Ornaments on an FDM Printer: Layered Colour Guide | 3D Tools
photo ornaments

Photo Ornaments on an FDM Printer: Layered Colour Guide

Make photo ornaments on your FDM printer: stack filament colours using TD values, use ornament-sized settings and add a hanging loop that won't snap.

Nov 9, 2026
STL Repair: Fix Non-Manifold Meshes and Holes | 3D Tools
stl repair

STL Repair: Fix Non-Manifold Meshes and Holes

STL repair made simple: what non-manifold and open edge warnings mean, how slicers fix them automatically, and when a broken mesh isn't worth saving.

Nov 8, 2026