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Longer - LK1 3D Printer [New Version]

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Original price $279.00 - Original price $279.00
Original price
$279.00 - $279.00
Current price $279.00
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Longer LK1 3D Printer

The DIY desktop 3D printer LONGER LK1 with large build volume 300x300x400mm made by Longer3D.  The LK1 has a completely open frame and a heated print bed. It is capable of 3D printing the most popular thermoplastics available on the market including PLA, ABS, Wood, Carbon Fiber and so on.  2.8 inches full color touch screen, provide more intuitive control. Filament detector, prevent any problems caused by the absence of filament during 3D printing. Power failure resume print, make sure the continuous printing work. Only minimum assembly is required for LK1 3D printer. It takes only 10 minutes to assemble together. You will be printing your first object within half an hour of unboxing, easy to use. Note: This 3D Printer is semi-assembled ,all you need is just putting the frame together and connect some wires, no soldering required.


Main Features:
• Overall design screams minimalism
• 300 x 300 x 400mm super build volume, let you create big items without any trouble
• 2.8 inch full-color touch screen for a simple user interface, for more intuitive control
• Power failure resume print function to make sure the continuous printing, easy to 3D printing anytime and anywhere
• Filament detector function to prevent any problems caused by the absence of filament when 3D printing and save printing time
• High printing accuracy with standard 0.4mm diameter nozzle, meet the industrial needs and low noisy
• Fast printing speed, up to 150mm / s
• Heated print bed is capable of 3D printing the most popular thermoplastics including PLA, ABS, Wood, Carbon Fiber and so on
• Reinforced aluminum alloy construction, durable and wearing-resisting
• Semi-assembled 3D printer, only 10 minutes needed to get started, come with separate filament shelf, better for different size filament trays

The Longer LK1 is also loaded with some fantastic features, all designed to deliver an incredible printing experience for all users. Here are some of the main highlights to look out for:

  • The LK1 has an automatic assisted leveling feature that allows you to level the bed in just a few minutes. This feature is quite handy for beginners who may lack necessary know-how on printer setup.
  • The unit also offers one of the largest build volumes in its category, making it easier for you to print relatively large objects.
  • The Longer LK1 is also fitted with a top-quality high precision nozzle with an innovative straight-through design for incredible printing accuracy.
  • The printer has a full metal body, too, designed to offer excellent durability and long-lasting service. The body also takes less than ten minutes to set up.
  • The LK1 also comes with an innovative thermal cooling system, including a dedicated cooling unit for its main engine. The unit also offers fast heat dissipation and rapid object solidification for faster printing.
  • You will also get a power failure recovery feature that allows you to resume printing from where you stopped in case of power outages. There is also a filament outage and fracture detection system in there.
  • High power hotbed that heats up faster and safer, ideally suited for printing several materials, including thermoplastic filaments like Wood, PLA, ABS, and others 
  • The Longer LK1 also features a humanized and easy to use 3.5-inch touchscreen display with clear large icons for simple printer operation.
  • The printer also has an advanced movement feature designed to offer extra stability and convenience during printing.
  • The unit is equipped with an efficient, high-quality motor and V-slot design, fitted with POM wheels, all working together to deliver a smooth and noiseless printing experience.
  • The printer offers multiple connectivity options, including SD and USB. It is also compatible with several slicer software, including Repetier Host and Cura.


  • Print Technology: FDM
  • Build Volume: 300 mm x 300 mm x 400 mm
  • Layer Height: 0.1 – 0.4 mm
  • Nozzle Diameter: 0.4 mm
  • Extruder: Single
  • Connection: SD Card, USB Cable
  • Control: 3.5 inch LCD Touchscreen Display
  • Print Materials: PLA, ABS, TPU, Carbon
  • Filament Diameter: 1.75 mm 
  • Supported Slicer: Cura, Repetier – Host
  • Operating systems: Windows / Mac / Linux
  • Printing Speed: 180 mm/ Second
  • Heated Bed: Yes
  • Power: 360 W
  • Printer dimensions: 470 mm x 575 mm x 610 mm
  • Printer Weight: 10.6 KGs

Order Confirmation:

As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase.  As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.  If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail.  If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.

Order Shipment:

If your order is in stock and we process the charges to your credit card, it will ship within five business days from the date of your order.  We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at

Cancellations & Refunds/Returns:

Before accepting a return on a product that isn't functioning as it should, Project 3D Printers reserves the right to exhaust any and all means to resolve and/or repair the malfunction through technical support and replacement parts provided by both the manufacturer and Project 3D Printers.  No return will be accepted without reasonable attempts to resolve the issue(s) first.  All returned products must be returned within 10 days of date of purchase.

Project 3D Printers enforces a strict "No Returns Accepted" policy for opened and/or partially used products, including filament, resin, or any consumable of any size and weight that has been used or opened from its factory and vacuum seal.  Only products and consumables that are unused, and in brand new factory condition are eligible for return to the manufacturer of origin within 10 days of the purchase date.

If a product is found to be non-functional or defective, the product must be returned with its full original contents within 10 days of the delivery date for inspection of the non-functionality.  If the product is found to be defective or non-functional a full-refund will be given, not including return shipping at the customer's expense.

All orders cancelled after 48 hours are subject to a $20 administration fee, whether or not your order has shipped.  If you order has shipped, you (the buyer) will also be responsible for actual return shipping charges. Refunds will only be issued to the original credit card that you use when placing your order.  Buyer is responsible for and pays a 20% restocking of the value of the returned item(s).  Buyer pays all shipping fees for the returned item(s). 

Customs Fees, Tariffs, Duty Fees and Import Taxes:

Only customers are responsible for their local import taxes, tariffs, duty fees and import taxes incurred during shipping.  To know about your customs import duties please contact your local customs office with this details  (HS Code :8477 Product description: 3d printer or 3d printer kit). If the tax amount is high, we can provide assistance to reduce it.


We work very hard to ensure that we offer the absolute best prices online.  If you find another online store that offers a lower price than us within six months of your purchase date please let us know and we will refund your original payment for the difference.  We want you to feel confident that you are getting the absolute best price for the product you are ordering.  If you find that our own website has a lower price for the same item you have ordered within six months of your purchase date will refund the difference as well.

To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within six months from the date of your order and we will process the credit accordingly.

Our 100% Price Guarantee has some limitations:

  • You must purchase the item from our website before requesting your Price Match Guarantee
  • Promotions such as rebates and buy one, get one free offers are not eligible
  • The item must be in stock on the competitors website
  • The competitor must be an online store, they may not have a retail location
  • The website can not be a discounter or auction website (ie; eBay, overstock, etc..)
  • The competitor must be an Authorized Retailer of the product in question
  • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax