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Longer Orange 4K Mono Resin 3D Printer 

  • Built-in 4K Mono LCD screen at 6480 x 3840 resolution of X 31.5µm Y 10.5µm in subpixel, performs more details and better surface on miniatures.
  • Printing is fast to print by 1.5s/layer on exposure time, up to 80mm/h on Mono Version. Obtain higher quality models in a shorter time.
  • Configurated with parallel UV LED lighting sources and provides better uniformity, higher intensity, and shorter time of curing.
  • Algorithm Embedded of Longerware to deliver final 3D models with ultra-smooth surfaces and ultra-fine details, and is compatible with Chitubo.
  • Built-in dual liner guides for more steady printing. and Fast Cooling & High-Temperature Warning System improves the lifespan of machine.
  • Easy leveling with four screws.

  • Features:
    【Ultra High 】Orange 4K is a ultra high resin 3D printer, built-in 4K Mono LCD screen at 6480 x 3840 resolution of X 31.5µm Y 10.5µm in subpixel. With such high printing technology, it will be perform more details and better surface on miniatures.
    【Uniform Parallel 】Built with parallel LED sources, and provide better uniformity, higher intensity and shorter time of curing.
    【Easy Operation & Algorithm Embedded】 Easy leveling with four screws. With the algorithm embedded in Longerware, the exposure through each subpixel will be controlled accurately to deliver final 3D models with ultra-smooth surfaces and ultra-fine details. Orange 4K is compatible with Chitubox as well. 
    【Dual Z Liner Guides】Orange 4K is built with dual liner guides for more printing and no wobble issues, it will be providing with better and smoother surface on models.
    【Fast Cooling & High Temperature Warning System】Temperature detection system included. The system will stop printing when temperature is too high. Equipped with high efficiency cooling system to improve lifespan of this 3D printer.

    Model: Orange 4K Mono
    Printing Technology: LCD Stereolithography
    Build Size:120x68x170mm/4.72"x2.68"x7.48"
    Layer Thickness: 0.02-0.1mm 
    Build Speed: Up To 60mm/h
    LCD Pixel Resolution: 6480x3840
    LCD Pixel Size: X: 31.5µm Y: 10.5µm
    Z Resolution: 10μm
    Light Source: 405nm LED Array
    Material: Regid Resin, Castable Resin, Resin, Etc.
    Material Color: Skin(Default), White, Grey, Orange, Red, Clear, Etc.
    Operation Software: Longer
    Operation System: Windows7/8/10, 64bit
    File Format: Stl
    Connection Mode: TF Card
    Touch Screen: 2.8 Inch Color Touch Screen
    Power: Input: , AC, 50/60HZ, 1.6A; Output: /DC, 6A
    Rated Power: 90W
    Optimum Working Temperature: 20℃-30℃
    Relative Humidity: 30%-60%                                               
    Product Size: 230x230x437mm / 9.16"x9.06"x17.02"
    Package Size: 310x310x580mm / 12.2"x12.2"x22.83"
    Package Weight: 13.5KGS/29.7lbs

    Packing List:
    1 x 3D Printer
    1 x Cover
    1 x Steel
    1 x Power Plug
    1 x Power Adapter
    1 x USB Disk (8G)
    1 x Tool
    5 x Card
    2 x Filter Funnel
    2 x Gloves
    1 x Wiper



    Orange 4K Mono

    Manufacturer Part Number

    Orange 4K Mono

    Assembled Product Dimensions (L x W x H)

    22.83 x 12.20 x 12.20 Inches

    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