Why PEEK Demands the Highest Temperatures of Any Common 3D Filament Polyether ether ketone (PEEK) sits at the top of the engineering thermoplastic ladder for 3D printing. It’s a semi-crystalline polymer with a melting point of 343°C and a glass transition temperature (Tg) of 143°C. To print it well, every thermal zone of the printer…
Why TPU Was Slow — And What Changed For the first decade of consumer 3D printing, TPU was a slow-printing curiosity. Bowden setups physically couldn’t push soft filament fast — it would buckle inside the PTFE tube and underextrude into a stringy mess. Even direct drive setups struggled because hotends with low flow rates couldn’t…
The Short Answer: PETG Has Moderate UV Resistance PETG (polyethylene terephthalate glycol) holds up to ultraviolet light better than PLA and HIPS, but noticeably worse than ASA, ASA-CF, and polycarbonate. In direct sunlight at temperate-zone latitudes, an unmodified PETG print will retain most of its mechanical properties for 6–12 months, start visibly yellowing within 12–18…
What OctoPrint Is and Why It’s Still the Default in 2026 OctoPrint is an open-source web interface that runs on a small computer (typically a Raspberry Pi) connected to your 3D printer’s USB port. Once installed, it gives you a browser-based control panel for starting prints, monitoring temperatures, watching a webcam feed, and uploading G-code…
What a Direct Drive Extruder Actually Is A direct drive extruder mounts the filament-feeding motor — the extruder — directly on top of the hotend, on the moving print head. When the firmware tells the motor to push 1mm of filament, that filament travels maybe 20–40mm down through gears and into the melt zone. Compare…
What “Highest Temperature” Actually Measures When people ask about the highest-temperature 3D printer filament, they usually mean one of two different numbers: the heat deflection temperature (HDT) — the temperature at which the plastic starts deforming under a small load — or the continuous service temperature — the temperature the plastic can sit at indefinitely…
What “Highest Temperature” Actually Measures When people ask about the highest-temperature 3D printer filament, they usually mean one of two different numbers: the heat deflection temperature (HDT) — the temperature at which the plastic starts deforming under a small load — or the continuous service temperature — the temperature the plastic can sit at indefinitely…
What “Affordable” Actually Means for Schools Most school procurement teams aren’t shopping for one 3D printer — they’re shopping for a cart of 5 to 15 identical units. That changes the math. A $600 consumer printer that costs $3,000 for five units is a very different conversation than a $300 printer that costs $1,500 for…
What “Affordable” Actually Means for Schools Most school procurement teams aren’t shopping for one 3D printer — they’re shopping for a cart of 5 to 15 identical units. That changes the math. A $600 consumer printer that costs $3,000 for five units is a very different conversation than a $300 printer that costs $1,500 for…
Why “Density” for Faces Isn’t Just About Infill When miniature printers talk about density for fine facial features, they almost always mean three settings working together, not just infill percentage. Those three are: Infill density — how filled the internal structure is (typical range: 10–25%) Wall line count — how many perimeters surround the print…