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FLY Docs Manuals & User Guides

FLY (by Mellow) specializes in high-performance 3D printer mainboards, Klipper hosts, and control ecosystem electronics for 3D printing enthusiasts.

Tip: include the full model number printed on your FLY Docs label for the best match.

About FLY Docs manuals on Manuals.plus

FLY, developed by the Fly3D R&D team at Guangzhou Mellow Electronic Technology, offers advanced electronic solutions for the 3D printing community.

Known for their high-performance 3D printer mainboards and Klipper host boards like the Fly-Pi series, FLY provides robust hardware designed to streamline the 3D printing process. Their products are deeply optimized for comprehensive firmware like Klipper and RRF, bridging the gap between complex configurations and straightforward deployments.

From critical wiring diagrams to firmware flashing instructions, these official FLY Docs and user manuals will help you safely assemble, configure, and maintain your custom 3D printing control electronics.

FLY Docs manuals

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FLY Docs Fly-Pi-lite2.1 Host Board Owner’s Manual

Oṣu Keje 20, Ọdun 2026
FLY Docs Fly-Pi-lite2.1 Host Board Overview Fly-Pi-lite2.1 is a beginner-friendly Klipper host that comes ready to use out of the box, with a complete 3D printing control ecosystem pre-installed to…

FLY Docs support FAQ

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  • What electronics does FLY produce?

    FLY, a brand by Mellow 3D, develops high-performance 3D printer mainboards, Klipper host boards (such as the Fly-Pi series), and expansion modules for the 3D printing community.

  • Where can I find wiring diagrams for my FLY mainboard?

    You can find detailed wiring diagrams, hardware setup instructions, and firmware configuration guides within the FLY Docs user manuals provided here or on the official documentation site.

  • Are FLY host boards compatible with Klipper?

    Yes, many FLY boards, such as the Fly-Pi-lite series, come deeply optimized and pre-installed with Klipper firmware and supporting software like Fluidd, Moonraker, and KlipperScreen.

  • What type of storage is required for the Fly-Pi motherboard?

    Users must supply their own storage. It is highly recommended to use a Micro SD (TF) card with a capacity between 16GB and 128GB, and a speed rating of Class 10 (C10) or above.