LK5 Pro Fully Open Source Motherboard Upgrade to
Updated 26 September 2026 · Live prices updated daily
Buy on Amazon.com - $224.82 →Affiliate link. Price live from the marketplace, not cached.
At a glance
What this printer gets right and wrong
- ✓ 36.0 L build volume - room for helmets, large functional parts, bulk runs.
- ✓ Under $300 - low-risk way to get into 3D printing without regretting the spend.
- ! Open frame - PLA and PETG only, realistically. Forget ABS or nylon done properly.
Head-to-head spec + price table against the Longer LK5 Pro Fully Open Source Motherboard Upgrade to. Verified printers on this marketplace only.
Sensible first-printer territory: priced where you can afford to get it wrong, with auto-levelling so the first layer isn't a ritual. You'll outgrow it in 18 months, which is fine.
Bedslinger with middling flow rate - you already have one of these. The whole point of upgrading is speed, rigidity, or print quality that your current machine can't hit. This doesn't clear that bar.
No active heated chamber or a hot end that tops out below 280°C means no reliable ABS, ASA, nylon or PC. Fine for a hobbyist, wrong tool for commercial work in engineering materials.
Verdicts are rule-driven from the spec sheet and current price ($225). They don't capture firmware polish, support quality, or reliability - so treat them as a sanity check, not a final answer.
Live offers
Every live listing on the English-language Amazon marketplaces that I've matched to this printer. Cheapest first. Affiliate links.
- 🇺🇸 Longer LK5 Pro 3D Printer Fully Open Source Motherboard Upgrade to TMC 2209 4 Silent Driver, DIY for Families and Schools FDM 3D Printers with Large Print Size 11.8x11.8x15.7 Inch, Compatible with PLAAmazon.com · Used$224.82View
- 🇺🇸 Longer LK5 Pro 3D Printer Fully Open Source Motherboard Upgrade to TMC 2209 4 Silent Driver, DIY for Families and Schools FDM 3D Printers with Large Print Size 11.8x11.8x15.7 Inch, Compatible with PLAAmazon.com · New$269.99View
- 🇺🇸 Longer LK5 Pro 3D Printer with Dual Z-Axis Upgrade, 4.3" Color Touch Screen, Silent Motherboard, Large Print Size 11.8"x11.8"x15.7", Fully Open Source, Filament Run-Out DetectionAmazon.com · New$284.99View
- 🇺🇸 Longer LK5 Pro 3D Printer Upgraded with Dual Blower Kit & 3D red Aluminum Metal extruder & Longer 3D Printer Breakage Detection Sensor kitAmazon.com · New$325.99View
- 🇺🇸 Longer LK5 Pro 3D Printer, Large Build Size 11.8''(L) x11.8''(W) x15.7''(H), 90% Pre-Assembled, Silent Motherboard, FDM 3D Printers for DIY Home and School PrintingAmazon.com · New$399.90View
Close alternatives - what $225 gets you elsewhere
Think of this like the shopping-cart upsell: here's what a tenner more or less could buy you in roughly the same category. Same FDM tech, same marketplace, all prices live. Stretches are data-driven; they're not sponsored placements.
Save the money, similar specs on paper. You'd give up: 36.0 L vs 12.1 L build volume.
Get: 300°C hot end (was —°C).
Get: 300°C hot end (was —°C) · CoreXY motion - faster, more rigid.
Frequently asked
What materials can the Longer LK5 Pro Fully Open Source Motherboard Upgrade to print? +
At $225 the Longer LK5 Pro Fully Open Source Motherboard Upgrade to realistically prints PLA and TPU. The listed°C hot end is too tight for PETG with confidence and rules out ABS/nylon entirely.
How fast is the Longer LK5 Pro Fully Open Source Motherboard Upgrade to? +
Advertised at 180 mm/s, but that is motion-system capability, not what the hot end can sustain. Expect real-world prints at 80-150 mm/s without quality collapse.
How big can I print on the Longer LK5 Pro Fully Open Source Motherboard Upgrade to? +
300×300×400 mm (36.0 L). Big enough for helmets in one piece, full-scale cosplay props, or multiple medium parts in one run. Reliability starts mattering at this scale - a failed 20-hour print stings.
Is the Longer LK5 Pro Fully Open Source Motherboard Upgrade to worth $225? +
$225 is the sweet spot tier. The Longer LK5 Pro Fully Open Source Motherboard Upgrade to competes directly with the current Bambu A1, Creality K1 and Prusa Mini generation. Hardware-per-pound is tight here - the differentiator is usually software polish and ecosystem.