Two Trees BlueR - 3D Printer
Documentation, firmware and set of utilities for my own use and personal needs.
Machine Specs
| Parameter | Value |
|---|---|
| Number of nozzles | 1 |
| Construction volume | 235mm 235mm 280mm |
| Printing method | SD-Card / online printing (by Serial UART communication through printer USB connector and some internet interface) |
| IHM | 3.5 inch color touch screen |
| Machine speed | 10~300mm/s |
| Print speed | 20~200mm/s |
| Extrusion head temperature (highest) | 260 °C |
| Maximum hot bed temperature (highest) | 100 °C |
| Printing platform | Warm bed |
| XY axis positioning accuracy | 0.01mm |
| Z axis positioning accuracy | 0.004mm |
| Recommended printed material | PLA, ABS and PETG |
| Consumable filament diameter | 1.75mm |
| Print file format | G-Code |
| Machine size | L=410mm W=400mm H=520mm |
| Machine weight | 7.5kg |
| Power supply | 127V~220V/240W |
| Microcontroller | STM32F103VET6 datasheet |
| Motor Driver | TMC2209 datasheet |
| Stepper Motor | US-17HS4401S datasheet |
| Motherboard | MKS Robin Nano v1.2 schematic (source HW + FW) |
| Display | MKS TFT35 - Parallel line communication interface (FSMC) (schematic not available) |
More information on the manufacturer's official website: https://twotrees3d.com/
Firmware
| Version | Marlin 3D Printer Firmware (from release-2.1.2 in 02/18/2023) + BlueR v3 Marlin Configurations (from release-2.1.2 in 02/18/2023) + Personal Customization |
|---|
Frequently Asked Questions
What is my micro-stepping configuration?
What VREF value I seted at motor-drivers (aka motors current definition)?
- X-axis VREF = 0.75V ∴ IRMS = 0.53A
- Y-axis VREF = 0.85V ∴ IRMS = 0.60A
- Z-axis VREF = 0.85V ∴ IRMS = 0.60A
- E-axis VREF = 0.75V ∴ IRMS = 0.53A
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Print Samples
Decoration Models
Among Us (STL)
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Bulbasaur Planter (STL)
Tools & Utensils
SD & Micro SD Card Box (STL)
18650 Battery Box (x8) (STL)
Dust Filament Filter (STL)
Universal Filament Clip (STL)
Calibration & Tests
XYZ Cube (STL)
BlueR Self-Upgrades Parts
BLTtouch Support (front mounting) (STL)
Improved Components and Upgrades
- [x] Stepper motor driver - TMC2209 at X, Y, Z and E - ultra-silent controllers
- [x] Auto leveling sensor - 3D Touch - Automatic and improved bed leveling
- [x] PEI spring steel sheet with magnetic base 235mm x 235mm - better adhesion and increase surface hardness
- [x] Anti-backlash spring loaded nut - T8 - Smooths lines on the z axis
Printer Details
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