LH Stinger

A no-compromise cartesian 3D Printer designed for speed and precision, created as a long-lasting platform for those who like to push quality and speed to the extreme.


~ A community-driven project ~

Status: V1.0

Sponsors

Sponsored by JLCPCB Flexible Heaters - Custom Flex Heaters for Your Build

Contents

• Features
• Kits - BOM
• Resources
• Assembly Instructions
• Addons
• Contact
• Credits
• Supporters
• License

Features

(at BOM Spec)

• Cross Frame design focused on stiffness and stability with a low center of gravity
• Streamlined frame assembly consisting of only six extrusions
• Lightweight bed carriage assembly with carbon fiber components
• AWD stepper configuration for the Y-axis
  • Optional conversion for X-axis AWD setup
• 235 x 235 x 200 mm maximum build volume (easily expandable to other sizes)
  • (200 mm)^2 Carbon Fiber Bed for high-speed setup
  • (235 mm)^2 bed support for a larger volume
• Optimized for daily print speeds of 400-600 mm/s with 20.000 mm/s^2 acceleration (Test A) (Test B) (Test C)
• Motion system capable of 1.000 mm/s speed with 100.000 mm/s^2 acceleration (Test)
• Maximum volumetric flow rate: ~55-60 mm^3/s (Test A) (Test B)
• Built using 30 series T-slotted extrusions with parts up to 3090
• All bracket assembly
• Genuine high-quality motion system components (BOM)
• Entire motion system based on high preload MGN12H linear guide rails
• Fully belt-driven with minimal belt paths
• 9mm 2GT belt in symmetrical configuration for the Y-axis
• 6mm 2GT belts for the rest of the axis
• Independent Z stepper motors with Z Tilt capability for the X-axis
• Lightweight dual plate Carbon Fiber Bed Carriage with integrated tensioner and compatible with different bed sizes and carriage configurations
• Rigid carbon fiber bed mount
• Lightweight Polyimide flex PCB 200W Bed Heater
• Double shear shaft supports for Y and X axis steppers
• High torque LDO-42STH48-2504AC stepper motors supplied with 36V for the X and Y-axis
• Dual power supply supporting 24V and 36V power standards (easily configurable for 48V)
• Driven by the Octopus Pro 1.1 board with TMC2240 drivers
• Running Klipper/Kalico firmware
• Fully featured Klipper Configuration and Slicer Profiles available
• Easily serviceable External electronic box with good airflow, and support for multiple power supplies, SSRs, RPi and large controller boards.
• Good cable management with a quick disconnect Breakout Board between the printer and ebox
• Toolhead based on the Dragon HF hotend and HF extender
  • Alternate hotends supported: Dragon UHF, Ace, Mellow NF-Crazy-Volcano HF, Rapido, Goliath (User Mods)
• LDO Orbiter 2.5 direct drive extruder
  • Sherpa Mini supported (User Mods)
• Dual 5015 fan setup for part cooling
• Dual AUX cooling modules based on 9733 blower fans providing 64 CFM of auxiliary cooling
• Adopts the Annex Engineering Quickdraw Probe
  • Zero Y offset probe placement for no gantry twist deviation
  • Full bed probe coverage
• Minimalistic printed part design focused on strength and easy printability
• Printed in ASA, providing high temperature resistance
• Easily enclosed, with the main electronic components outside of the build chamber.
  • The (200 mm)^2 bed configuration can be fully enclose up to the frame bounding box, with no extra space needed for the bed movement. (Dimensions)

Resonance Tests:

Kits - BOM

• This project can be self-sourced by following the BOM Guide.

• An official upgraded LH Stinger - Rev2 Kit is produced and sold by FYSETC.

Kit Highlights:

• Phaetus Dragon UHF - Hotend
• FYSETC Sherpa Mini - All Metal - CNC Extruder
• MGN 12H Z1 Preload Linear Rails
• FYSETC Spider V3.0 H7 (550Mhz) High Voltage board
• 48V Power with TMC5160 Drivers (AWD Y, X Axis)
• High Torque 2.5A 580mN.m Stepper Motors with 30mm shafts for double shear support
• Delta (48V) and Meanwell (24V) PSUs
• Carbon Fiber Bed with Pre-applied PI Heater and Pre-epoxied CF Carriage Assembly
• LHS Breakbeat distribution board and wiring harness

You require: The Printed Parts and a BTT Pi V1.2 or Raspberry Pi SBC (Klipper Host)

Fysetc - LH Stinger - Kit

Use the code FYSBKSALELH for a total of $699. Free shipping directly from US/EU.
A portion of every kit sale goes towards supporting the project! 💜

Resources

• Assembly Guide
• STL Files and Printing Instructions
• CAD Source Files
• Klipper Configuration
• Build Log
• Videos

Assembly Instructions

• The LH Stinger Wiki is a regularly updated and intended to serve as your primary point of reference during the build

• The main body of documentation can be found in the Assembly Guide

For additional support please join us on the LH Stinger Discord

Addons

• LHS Pico MMU

• Enclosure (In progress) by zwirbel

• An extensive range of community mods available

Contact

lemurshaze @ gmail.com
@LH on LH Stinger Discord

Credits

Thanks to everyone in the LH Stinger community who supported the project, contributed in any form, or provided feedback! 💜

Inspired by the Annex Engineering team and community, along with the Klipper community, RatRig and all the crazy people that continue to push bed slingers to their limits. 💜

-Toolhead evolved from an amazing design by Dalegaard
-Silicon sock mold based on Renátó Kulman
-Wago 221 mounts by fns720
-SSR protection cover based on Technoturk
-3030 extrusion Cable clip based on Arthur_C
-3030 t-nut clip based on John_S

Supporters

Special thanks to those who donated to this project throughout its development! 💜

djezo888. Fen, Budz, techb0i, PinGZ, abstractFlo, BeccaK, Steven @crydteam, Robin @crydteam, Fred Bernton, Mawoka, rmxbit, Mcclane, malar6606, EMMY BEAR 3D, Killa_Prints, Michel, vr6deezy, Ajax240, Zemlos01, popster, Dan, Sibert, Ultracopa, yoske, Arjun, iKuro

If you would like to give your support, please use the link below:

License

This work is licensed under a Creative Commons (4.0 International License)
Attribution—Noncommercial—Share Alike