Prusa XL+ 360-degree cooling spreads airflow evenly for cleaner overhangs and bridges, joined by GT1.5 belts and a 20x faster eddy-current tool sensor.
3D Printing
Printers, hotends, slicers, and filament, judged on what they change about the print rather than the spec sheet.
Sweeping vibrations replace the old Klipper resonance test
Klipper v0.13.0 replaces the ringing tower with a sweeping vibrations test, adds new accelerometers, and unlocks Z-axis input shaping for faster Z moves.
23.5 mm³/s flows through the Revo High Flow nozzle
The Revo High Flow nozzle hit 23.5 mm³/s in independent tests, and the half-watt rule shows the melt zone caps a hotend long before watts do.
Bondtech's INDX hardened nozzles are only HRC 30 to 32
Bondtech INDX hardened nozzles measure HRC 30 to 32, about half the 55 to 60 the word implies. Treat them as long-life brass, not tough tools.
Bambu's Authorization Control now has a legal test case
Bambu Lab's Authorization Control System gates printer control, and a 2026 cease-and-desist put the AGPL question in play. Here is the dated timeline.
The Olsson Ruby shows zero carbon fiber wear at 800 hours
The Olsson Ruby nozzle for carbon fiber showed zero measured wear across 800 test hours, with brass-identical flow and a documented 2,000-hour life.







