The Best Sources for Free STL Files in 2026
The model repository landscape has shifted meaningfully in the past year, and if you have not been paying close attention, […]
guides
What Is Heat Creep, and How Do You Actually Fix It?
A print runs perfectly for two hours and then, with no settings changed and no obvious cause, the extruder starts
The Sovol M1D: A Seven-Colour IDEX Toolchanger for $1,499
A new printer has generated a genuinely unusual amount of buzz for something that has not shipped yet, is not
What Is a Cold Pull? How and Why to Do One
A cold pull is one of the oldest maintenance techniques in FDM printing and one of the most underused. It
Tips for Perfect Bridging 3D Printing Settings Guide
A bridge is the one place in FDM printing where the nozzle deposits filament into thin air and expects it
Why Does Print Orientation Matter So Much?
The same STL file, printed in two different orientations on the same printer with identical settings, can produce two parts
The Legal Side of Selling Your 3D Prints — What You Actually Need to Know
All3DP published an excellent legal guide to selling 3D printed items in May 2026, written by senior editor Carolyn Schwaar
TPU Filament Grades Explained: Shore Hardness, What Each Grade Does, and How to Print Them
TPU is the material that looks simple until you try to buy it. The spool says TPU. Another says TPU
PlainMesh Fill & Split: The Browser Tool That Turns Any Coloured 3MF Into Printable Parts
The case for printing each colour separately and assembling the parts by hand — rather than running everything through the
The Right Calibration Routine for Your 3D Printer — Done in the Right Order
Calibration on a Bambu machine is not the same conversation it is on a Prusa or an Ender. Bambu’s built-in
Metal 3D Printing Filament: Two Very Different Things With the Same Name
I went into researching this post knowing roughly two things: that there is filament with metal in it, and that
Should 3D Printing and 3D Modelling Be Taught in Schools?
Yes. But that answer needs unpacking, because what makes 3D printing and 3D modelling worth teaching in schools is not