7items Tech & Gadgets

Matte-black FMS FCX24 K5 Blazer RC rock crawler climbing a grey and tan rock face, all four knobby tires gripping the stone

BATRAZZI's FOC kit smooths the FCX18 and FCX24 crawl

BATRAZZI FOC brushless systems bundle a motor, receiver and field-oriented ESC to smooth the FMS FCX18 and FCX24 crawl on technical rock lines.

Two black Bambu Lab carbon-fiber filament spools side by side, PPA-CF on the left and PA6-CF on the right, with water vapour drifting over the right spool

Humidity flips the winner between PPA-CF and PA6-CF

PPA-CF vs PA6-CF differ on strength, layer bonding, heat and moisture, and the pick-by-job verdict flips the moment humidity enters the room.

Furitek Micro Komodo black billet brushless motor with silver pinion and three wires on a rocky trail beside an Axial SCX24 crawler

Micro Komodo gives the SCX24 serious brushless torque

Furitek Micro Komodo swaps 3450kV brushless torque into the Axial SCX24, but the 17.5g motor needs a 9mm-spread mount and a non-stock ESC to run.

Four KliTek nozzle assemblies parked in a docking rail inside a 3D printer while a fifth prints a housing with a soft green seal

Nozzle swapping replaces the purge tower on Creality's K3

Creality KliTek swaps nozzles instead of purging, arriving on the K3 in 2026. See why nozzle-swap systems drift and why soft TPU is the real driver.

Bambu Lab AMS HT single-spool dryer showing 85°C beside the four-spool AMS 2 Pro, with a nylon spool and desiccant tub between them.

The AMS HT dries nylon at the 75°C the AMS 2 Pro misses

Nylon filament drying needs 75°C, and the AMS HT reaches 85°C while the AMS 2 Pro caps at 65°C, missing the floor that pulls moisture from PA6-CF.

A Polymaker HT-PLA Pro filament spool sitting on the wire rack inside a glowing oven beside a heat-annealed 3D-printed bracket.

30 minutes at 100°C nearly doubles HT-PLA Pro's heat limit

HT-PLA Pro annealing raises heat deflection from 56.3°C to 107.6°C in 30 minutes, turning the 150°C softening claim into real load-bearing heat.