Engineering-first robotics, AI, maker hardware, STEM, and creator technology reporting
The PolyDryer Box XL targets 3 kg spool storage with sealed filament feed-through, humidity monitoring, and optional Dry Dock support. TVG evaluates the engineering promise, ecosystem costs, and tests that matter.
Polymaker PolyDryer Box XL Review Preview: A 3 kg Spool Vault, Not a Standalone Dryer Read More
Convert a hotend’s mm³/s limit into a realistic motion speed using extrusion cross-section, then verify which slicer limit is actually active.
3D-Printer Speed Is Capped by Volumetric Flow, Not the Headline Number Read More
The EIBOS Polyphemus combines dual-spool capacity, powered rotation and distributed hot-air outlets. We separate its documented features from the performance claims that still need independent measurements.
EIBOS Polyphemus Spec Analysis: Rotation, Heat and Spool Capacity Read More
Bonnie unboxes the Prusa CORE One+, completes two Benchys, and shares what stood out during setup and the first prints.
Prusa CORE One+ First Impressions: A Fun Start With Two Benchys Read More
Use the motor’s per-phase rating and the carrier’s sense-resistor formula to set DRV8825 VREF, then verify coil current and thermal behavior.
Set DRV8825 Current Limit Without Trusting Supply Current Read More
Diagnose false filament runout by separating sensor mechanics, raw input, Marlin M119/M412 behavior, wiring and host response.
Filament Runout Errors: Check the Sensor Path Before Replacing Parts Read More
The LightMake L4 uses four independent toolheads and linear motors for batch, multi-color and multi-material printing. Here is what is new—and unproven.
LightMake L4 Puts Four Independent Heads on One 3D Printer Read More
A mechanical-first workflow for identifying 3D-printer ringing, checking belts and pulleys, setting a controlled baseline and tuning input shaping last.
3D-Printer Ringing: Fix the Motion System Before Tuning Input Shaping Read More
A buyer-style comparison of digital calipers and micrometers for checking printed dimensions, wall thickness, filament diameter, and repeatability.
Digital Caliper or Micrometer for 3D-Printed Parts? Match the Tool to the Tolerance Read More
A buyer-style comparison of thermal cameras and spot IR thermometers for checking 3D printer beds, electronics, enclosures, and heat-related faults.
Thermal Camera or IR Thermometer for 3D Printer Diagnostics? Know What Each Can Miss Read More