Source Code
Snapmaker Printer Control
Control Snapmaker U1 printers via the Moonraker API.
Configuration
Create a config file at ~/clawd/config/snapmaker.json:
{
"ip": "192.168.x.x",
"port": 80
}
Or use environment variables:
export SNAPMAKER_IP=192.168.x.x
export SNAPMAKER_PORT=80 # optional, defaults to 80
Config search order:
SNAPMAKER_IPenvironment variable (highest priority)~/clawd/config/snapmaker.json~/.config/clawdbot/snapmaker.json
Quick Commands
Check Status
scripts/snapmaker.py status
Filament Info
scripts/snapmaker.py filament
Shows RFID tag data for each slot: material type, color (hex), temp ranges, and sensor status.
Monitor Print (Live)
scripts/snapmaker.py monitor
Print Control
scripts/snapmaker.py pause
scripts/snapmaker.py resume
scripts/snapmaker.py cancel
Temperature
scripts/snapmaker.py temps
API Reference
The U1 uses Moonraker REST API on port 80:
| Endpoint | Description |
|---|---|
/server/info |
Server status |
/printer/info |
Printer info |
/printer/objects/query?heater_bed&extruder&print_stats |
Status |
/printer/print/pause |
Pause print |
/printer/print/resume |
Resume print |
/printer/print/cancel |
Cancel print |
Status Response Fields
print_stats.state:standby,printing,paused,complete,errorprint_stats.filename: Current fileprint_stats.print_duration: Seconds elapsedvirtual_sdcard.progress: 0.0 to 1.0heater_bed.temperature/heater_bed.target: Bed tempsextruder.temperature/extruder.target: Nozzle temps
Filament & Sensor Data
Query filament RFID and sensors:
/printer/objects/query?filament_detect&filament_motion_sensor%20e0_filament&filament_motion_sensor%20e1_filament&filament_motion_sensor%20e2_filament&filament_motion_sensor%20e3_filament
filament_detect.info[]
Array of 4 slots with RFID tag data (or defaults if no tag):
| Field | Description |
|---|---|
VENDOR |
"Snapmaker" or "NONE" if no RFID |
MANUFACTURER |
e.g. "Polymaker" |
MAIN_TYPE |
Material: "PLA", "PETG", "ABS", etc. |
SUB_TYPE |
Variant: "SnapSpeed", "generic", etc. |
RGB_1 |
Color as decimal int (convert: #${(rgb>>16&0xFF).toString(16)}...) |
ARGB_COLOR |
Color with alpha (decimal) |
WEIGHT |
Spool weight in grams |
HOTEND_MIN_TEMP / HOTEND_MAX_TEMP |
Nozzle temp range |
BED_TEMP |
Recommended bed temp |
OFFICIAL |
true if official Snapmaker filament |
filament_motion_sensor e{0-3}_filament
| Field | Description |
|---|---|
filament_detected |
Boolean - filament present in slot |
enabled |
Boolean - sensor active |
Note: Slots can have filament_detected: true but VENDOR: NONE โ this means third-party filament without RFID tag.