llms.txt
# 7items
> 7items is a tech gadget blog for buying decisions. We separate the features that count from the ones that don't, and tell you which product to get.
## 3D Printing
- [Unlocking Bambu's Authorization Control costs you support](https://7items.com/3d-printing/unlocking-bambus-authorization-control-costs-you-support/): Unlocking Bambu's Authorization Control restores direct control but costs you cloud features and support. Here is the reversible path and the price.
- [INDX, KliTek and AMS all print color a different way](https://7items.com/3d-printing/indx-klitek-and-ams-all-print-color-a-different-way/): INDX vs KliTek vs AMS: three multi-material 3D printing systems compared on filament waste, colour-change speed, alignment risk and repair cost.
- [The Halot X1 moves the resin vat, not the build plate](https://7items.com/3d-printing/the-halot-x1-moves-the-resin-vat-not-the-build-plate/): Piocreat Halot X1 review: the build plate stays fixed while the vat and 16K light engine move, so there is no leveling. Reviewers split on print sharpness.
- [At 45°C the Cool Plate SuperTack still grips PLA hard](https://7items.com/3d-printing/at-45c-the-cool-plate-supertack-still-grips-pla-hard/): Bambu's Cool Plate SuperTack grips PLA at a 45°C bed, 20°C cooler than Textured PEI, but its hold can lock support brims and needs a careful peel.
- [The X2D's 65°C chamber is what finally makes ABS behave](https://7items.com/3d-printing/the-x2ds-65c-chamber-is-what-finally-makes-abs-behave/): The Bambu X2D heated chamber holds 65°C with its own heater. See glass transition against chamber temperature, and which materials really need it.
- [OrcaSlicer still works on Bambu through the Connect plugin](https://7items.com/3d-printing/orcaslicer-still-works-on-bambu-through-the-connect-plugin/): OrcaSlicer Bambu Connect setup in seven steps, plus a table of what cloud, LAN-only and developer mode each still allow on authorization firmware.
- [Sweeping vibrations replace the old Klipper resonance test](https://7items.com/3d-printing/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.
- [360-degree cooling sharpens overhangs on the Prusa XL+](https://7items.com/3d-printing/360-degree-cooling-sharpens-overhangs-on-the-prusa-xl/): 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.
- [Bondtech's INDX hardened nozzles are only HRC 30 to 32](https://7items.com/3d-printing/bondtechs-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.
- [23.5 mm³/s flows through the Revo High Flow nozzle](https://7items.com/3d-printing/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.
- [Bambu's Authorization Control now has a legal test case](https://7items.com/3d-printing/bambus-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.
- [Tungsten carbide outlasts hardened steel by half on the X2D](https://7items.com/3d-printing/tungsten-carbide-outlasts-hardened-steel-by-half-on-the-x2d/): Tungsten carbide nozzle vs hardened steel on Bambu's X2D: HRA 90 against HRA 74, about 50% more life on abrasive filament, and almost no retuning.
- [The Olsson Ruby shows zero carbon fiber wear at 800 hours](https://7items.com/3d-printing/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.
- [At Shore 68D the TPU for AMS keeps prints fast and clean](https://7items.com/3d-printing/at-shore-68d-the-tpu-for-ams-keeps-prints-fast-and-clean/): TPU for AMS runs a Shore 68D hard flexible through the Bambu AMS at up to 238 mm/s, resisting the jams, stringing and warping that stall soft TPU.
- [Polymaker Fiberon PPS-GF20 survives 236°C on a desktop](https://7items.com/3d-printing/polymaker-fiberon-pps-gf20-survives-236c-on-a-desktop/): Polymaker PPS-GF20 hits a 236°C heat deflection after annealing and prints on a QIDI Plus4 or Bambu H2D with a 350°C hotend and the fan off.
- [Prusament PETG Recycled cuts spool CO₂ by 56 percent](https://7items.com/3d-printing/prusament-petg-recycled-cuts-spool-co2-by-56-percent/): Prusament PETG Recycled emits 2.55 kg CO₂ per kg against 5.85 kg for virgin PETG, a 56 percent cut at the same tolerance and print temperatures.
- [Stratasys PA6/66-GF30-FR meets EN 45545 rail fire rules](https://7items.com/3d-printing/stratasys-pa6-66-gf30-fr-meets-en-45545-rail-fire-rules/): PA6/66-GF30-FR clears EN 45545-2 HL2 and FMVSS 302, so a printed rail handrail can be certified. See what UL-94 V0 demands, and what FR costs you.
- [Moisture erases PA6-CF's strength lead over PA12-CF](https://7items.com/3d-printing/moisture-erases-pa6-cfs-strength-lead-over-pa12-cf/): PA6-CF beats PA12-CF dry at 140 MPa and twice the stiffness, then humidity cuts it to 56% strength and a third of stiffness while PA12-CF holds.
- [ASA holds 80 percent impact where ABS fades in UV light](https://7items.com/3d-printing/asa-holds-80-percent-impact-where-abs-fades-in-uv-light/): ASA vs ABS under UV light: ASA keeps over 80% impact at 2,000 xenon-arc hours while ABS drops below 50% by 500, and ASA resists acetone smoothing.
- [Humidity flips the winner between PPA-CF and PA6-CF](https://7items.com/3d-printing/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.
- [The AMS HT dries nylon at the 75°C the AMS 2 Pro misses](https://7items.com/3d-printing/the-ams-ht-dries-nylon-at-the-75c-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.
- [Nozzle swapping replaces the purge tower on Creality's K3](https://7items.com/3d-printing/nozzle-swapping-replaces-the-purge-tower-on-crealitys-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.
- [30 minutes at 100°C nearly doubles HT-PLA Pro's heat limit](https://7items.com/3d-printing/30-minutes-at-100c-nearly-doubles-ht-pla-pros-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.
- [All five ingredients in PLA Pure clear EU 10/2011 rules](https://7items.com/3d-printing/all-five-ingredients-in-pla-pure-clear-eu-10-2011-rules/): PLA Pure food-contact safety rests on all five ingredients passing EU 10/2011, but the certification covers the filament, not your printed cup.
- [Prusa's INDX saves filament on every single color change](https://7items.com/3d-printing/prusas-indx-saves-filament-on-every-single-color-change/): Purge waste is what multicolour printing costs you every swap. Bondtech's dedicated nozzles against AMS purge towers in grams and print hours.
- [Eight materials print at once on the Prusa CORE One INDX](https://7items.com/3d-printing/eight-materials-print-at-once-on-the-prusa-core-one-indx/): The Prusa CORE One INDX prints eight materials, each with its own nozzle. How passive toolheads work, and how the kits price against a second printer.
- [Print Farm Manager runs Prusa, Bambu and Klipper as one](https://7items.com/3d-printing/print-farm-manager-runs-prusa-bambu-and-klipper-as-one/): Print Farm Manager is a free, self-hosted tool that runs Prusa, Bambu, Klipper, Elegoo and OctoPrint printers from one local dashboard with no cloud.
- [A 330mm print bed now lands on Bambu's budget A2L printer](https://7items.com/3d-printing/a-330mm-print-bed-now-lands-on-bambus-budget-a2l-printer/): The Bambu A2L 330mm bed adds 105 percent more volume for $469. See how much of that space prints reliably once warping and the open frame are counted.
- [Bambu's X2D is the cheapest dual nozzle printer yet](https://7items.com/3d-printing/bambus-x2d-is-the-cheapest-dual-nozzle-printer-yet/): The Bambu X2D dual nozzle printer puts two hot ends on one toolhead at $649. See the purge waste maths and what soluble supports really cost.
- [Prusa upgraded the CORE One and XL without raising prices](https://7items.com/3d-printing/prusa-upgraded-the-core-one-and-xl-without-raising-prices/): Prusa CORE One Gen 2, CORE One L+ and XL+ add GT1.5 belts, a nozzle wiper and a 20x faster tool sensor, and Prusa held the price on every model.
## Keyboard
- [Map the G512 X analog keys to throttle, brake and clutch](https://7items.com/keyboard/map-the-g512-x-analog-keys-to-throttle-brake-and-clutch/): G512 X analog keys for sim racing give throttle and brake a real axis. See the 4mm against 33mm travel math, and where trail braking breaks down.
- [Your keycaps fit Gateron KS-20 magnetic switches just fine](https://7items.com/keyboard/your-keycaps-fit-gateron-ks-20-magnetic-switches-just-fine/): Magnetic switch hot-swap compatibility is narrower than the box implies. Keycaps fit, most switches do not, and magnet polarity decides the rest.
- [Double-shot and dye-sub legends both outlast your keyboard](https://7items.com/keyboard/double-shot-and-dye-sub-legends-both-outlast-your-keyboard/): Double-shot vs dye-sub legends both last for years on quality keycaps, so let RGB backlight support and legend color decide which set you buy.
- [PBT keycaps dodge the greasy shine that creeps across ABS](https://7items.com/keyboard/pbt-keycaps-dodge-the-greasy-shine-that-creeps-across-abs/): PBT keycaps resist the greasy shine ABS develops from finger oils and UV, but ABS and PC still win on shine-through RGB. See the full trade-off.
- [Analog and normal switches share one G512 X socket bed](https://7items.com/keyboard/analog-and-normal-switches-share-one-g512-x-socket-bed/): Logitech's G512 X has 39 hybrid sockets taking analog magnetic or standard mechanical switches. How the bed works and why it stops at 39.
- [Lube the stabilizer wires with Krytox 205g0 to end rattle](https://7items.com/keyboard/lube-the-stabilizer-wires-with-krytox-205g0-to-end-rattle/): Stabilizer rattle disappears when you balance the wire flat on glass and lube it with Krytox 205g0, the same fix Keychron now builds into the K2 HE.
- [Poron case foam warms your keyboard without deadening it](https://7items.com/keyboard/poron-case-foam-warms-your-keyboard-without-deadening-it/): Poron case foam warms a hollow keyboard and cuts ping without deadening it. See the three-layer thock recipe and the 200g overdose that kills sound.
- [The Huntsman V3 HE hits a true 8,000Hz through a cable](https://7items.com/keyboard/the-huntsman-v3-he-hits-a-true-8000hz-through-a-cable/): True 8,000Hz keyboard polling is wired only in 2026, and the reason is radio airtime and battery life. The 0.875ms gain is worth less than it looks.
- [Tune the Keychron K10 HE on Linux without vendor software](https://7items.com/keyboard/tune-the-keychron-k10-he-on-linux-without-vendor-software/): Configure the Keychron K10 HE on Linux with QMK and VIA. Includes the udev rules that block access, a working keymap and the actuation caveats.
- [0.4mm rapid trigger stops the Azoth 96 HE double-firing](https://7items.com/keyboard/0-4mm-rapid-trigger-stops-the-azoth-96-he-double-firing/): Rapid trigger actuation tuning per key on the Azoth 96 HE, with a published profile and a test that finds the tremor floor where double inputs start.
- [Aluminium plates ring bright where FR4 stays neutral](https://7items.com/keyboard/aluminium-plates-ring-bright-where-fr4-stays-neutral/): FR4 vs aluminium keyboard plate sets your typing feel and sound. FR4 flexes and stays neutral, aluminium is firmer, brighter, and rings unless foamed.
- [14 screws stiffen the Corsair Makr Pro 75 gasket mount](https://7items.com/keyboard/14-screws-stiffen-the-corsair-makr-pro-75-gasket-mount/): The Corsair Makr Pro 75 gasket mount stiffens under 14 standoff screws and 200g of foam, so a gasket only softens typing when the plate can move.
- [Rapid trigger is legal in CS2, Razer Snap Tap is not](https://7items.com/keyboard/rapid-trigger-is-legal-in-cs2-razer-snap-tap-is-not/): Rapid trigger is allowed in CS2 while SOCD features like Snap Tap are banned. Get the per-vendor table of feature names and how to switch each off.
- [Concrete and resin recast the Keychron K2 HE housing](https://7items.com/keyboard/concrete-and-resin-recast-the-keychron-k2-he-housing/): Keychron K2 HE concrete and resin editions share the same PCB, switches, and plate, so the case is the one variable you can hear and test.
- [A real gasket mount lands on NuPhy's 13.2mm Air75 V3](https://7items.com/keyboard/a-real-gasket-mount-lands-on-nuphys-13-2mm-air75-v3/): NuPhy Air75 V3 gasket mount replaces the tray-mounted Air V2 build in a 13.2mm board, and a mixed PC, aluminum and ABS case reworks how it sounds.
- [A force curve shows switch feel that gram ratings hide](https://7items.com/keyboard/a-force-curve-shows-switch-feel-that-gram-ratings-hide/): A switch force curve shows the feel a gram rating hides, from bump height to bottom-out weight. Pair it with rated lifespan before you commit.
- [A light beam gives the Gateron KS-22 100 million presses](https://7items.com/keyboard/a-light-beam-gives-the-gateron-ks-22-100-million-presses/): Gateron KS-22 optical switch fires with an infrared beam instead of a metal leaf, earning a 100 million keystroke rating and no debounce delay.
- [Gazzew's Boba U4 silences the keystroke without the mush](https://7items.com/keyboard/gazzews-boba-u4-silences-the-keystroke-without-the-mush/): The Boba U4 silent tactile switch keeps a sharp D-shaped bump while muting the clack. A dampened stem stays tactile, and 62g or 68g sets the feel.
- [At 11.9mm the Cherry MX Low Profile saves a third of height](https://7items.com/keyboard/at-11-9mm-the-cherry-mx-low-profile-saves-a-third-of-height/): Cherry MX Low Profile switches are 11.9mm tall, 35% lower than standard MX, and keep the MX stem. See where the height ladder stops paying off.
- [Rated for 50,000 swaps, Gateron's 2.0 socket outlasts Kailh](https://7items.com/keyboard/rated-for-50000-swaps-gaterons-2-0-socket-outlasts-kailh/): Gateron's hot-swap 2.0 socket is rated for 50,000 swaps against Kailh's 100, but pin damage kills far more sockets than swap counts ever will.
- [Multi-stage springs give the Gateron Pro 2.0 a rising force](https://7items.com/keyboard/multi-stage-springs-give-the-gateron-pro-2-0-a-rising-force/): Multi-stage springs bend a switch force curve into a rising ramp. See how the Gateron Pro 2.0 Silver presses and why a 60g label hides the shape.
- [Below 0.3mm stem wobble the WS Flux switch feels locked in](https://7items.com/keyboard/below-0-3mm-stem-wobble-the-ws-flux-switch-feels-locked-in/): Stem wobble under 0.3mm at the keycap stops bothering most typists, and the WS Flux targets 0.05mm. See the wobble ladder and what a loose stem costs.
- [Gateron TMR keys draw 40x less power than Hall effect](https://7items.com/keyboard/gateron-tmr-keys-draw-40x-less-power-than-hall-effect/): TMR switch power draw runs about 40x lower than Hall effect, and TMR reads travel to 0.01mm. That gap is what makes wireless magnetic boards work.
- [Brush Krytox 205g0 on the stems and 105 oil on springs](https://7items.com/keyboard/brush-krytox-205g0-on-the-stems-and-105-oil-on-springs/): Krytox 205g0 grease belongs on switch stems, 105 oil on springs. Get the part-by-part lube map, the over-lube risk, and whether hand lubing pays off.
- [Five separate parts changed inside the Cherry MX2A switch](https://7items.com/keyboard/five-separate-parts-changed-inside-the-cherry-mx2a-switch/): Cherry MX2A redesigns five parts of the MX switch: barrel spring, ring lube, stem, socket dome and glide ribs. See which changes a typist can feel.
- [HMX Yogurt S beats pricier linears on sound and smoothness](https://7items.com/keyboard/hmx-yogurt-s-beats-pricier-linears-on-sound-and-smoothness/): HMX Yogurt S tops 2026 linear switch rankings at around $0.30 each. See how stem tip shape tunes the sound and which HMX switch matches your taste.
- [The Asus Azoth 96 HE feels like a real keyboard again](https://7items.com/keyboard/the-asus-azoth-96-he-feels-like-a-real-keyboard-again/): Asus ROG Azoth 96 HE wins on typing feel, and its gasket-mounted case does more of that work than the magnetic switches. So judge the chassis first.
- [Adjustable keys cost the Huntsman V3 HE some raw speed](https://7items.com/keyboard/adjustable-keys-cost-the-huntsman-v3-he-some-raw-speed/): Razer Huntsman V3 HE latency lands at 0.60 ms, behind the 0.48 ms optical line. Magnetic sensing costs speed, and this is what you get back.
## Monitor
- [True Black 1400 holds 700 nits across a full OLED screen](https://7items.com/monitor/true-black-1400-holds-700-nits-across-a-full-oled-screen/): DisplayHDR True Black 1400 makes OLED panels hold 700 nits across a full screen, not just a brief 1400-nit peak. The tier ladder shows the jump.
- [2,304 dimming zones sit behind LG's 27GM950B screen](https://7items.com/monitor/2304-dimming-zones-sit-behind-lgs-27gm950b-screen/): LG 27GM950B has 2,304 dimming zones on a 27-inch 5K mini LED panel. See the zone-per-pixel maths and whether the OLED sibling is the better desk buy.
- [The Alienware AW3926QW is $700 cheaper than LG's 39GX950B](https://7items.com/monitor/the-alienware-aw3926qw-is-700-cheaper-than-lgs-39gx950b/): Alienware AW3926QW vs LG 39GX950B compared on subpixels, brightness, text sharpness, HDR modes, and a $700 price gap between two 39-inch 5K2K OLEDs.
- [Dell U4025QW vs LG 39GX950B-B on a Linux coding desk](https://7items.com/monitor/dell-u4025qw-vs-lg-39gx950b-b-on-a-linux-coding-desk/): Dell U4025QW vs LG 39GX950B-B compared on curvature, text sharpness, ports, and price. IPS Black with Thunderbolt 4 against a 165Hz 5K2K OLED.
## Mouse
- [The Viper V4 Pro wins on weight, the G Pro X2 on click](https://7items.com/mouse/the-viper-v4-pro-wins-on-weight-the-g-pro-x2-on-click/): Razer Viper V4 Pro vs Logitech G Pro X2 Superstrike compared on weight, click, battery and software, with a separate verdict for each player type.
- [Cheap mice now ship last year's Hero and Focus Pro sensors](https://7items.com/mouse/cheap-mice-now-ship-last-years-hero-and-focus-pro-sensors/): Budget gaming mice inherited last year's flagship sensors and 8,000Hz polling. Here is what still separates the price tiers, ranked by what you feel.
- [DeathAdder V3 HyperSpeed hits 55g by shrinking the shell](https://7items.com/mouse/deathadder-v3-hyperspeed-hits-55g-by-shrinking-the-shell/): The Razer DeathAdder V3 HyperSpeed hits 55g, but its shell shrank 17 percent against the V3 Pro. See which light mice kept hand room and which cut it.
- [Swap the G Pro X2's feet for PTFE and it glides again](https://7items.com/mouse/swap-the-g-pro-x2s-feet-for-ptfe-and-it-glides-again/): Mouse skates PTFE vs UHMWPE decide how a mouse feels. Compare friction, wear and cost per month, then fix the scratchy G Pro X2 Superstrike.
- [Set your mouse DPI on Linux with Piper, not vendor apps](https://7items.com/mouse/set-your-mouse-dpi-on-linux-with-piper-not-vendor-apps/): Configure gaming mouse DPI, profiles and buttons on Linux with Piper and libratbag, and learn how to check device support before you buy anything.
- [A Viper V4 Pro at 2,000Hz feels the same as at 8,000Hz](
