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Labels

The Labels tool generates professional labels for your filament spools — QR codes, spool labels for thermal printers, and color cards for visual identification.

Go to: https://localhost:3443/#labels

QR codes​

Generate QR codes that link to filament information in the dashboard:

  1. Go to Labels → QR Codes
  2. Select the spool you want to generate a QR code for
  3. The QR code is generated automatically and shown in the preview
  4. Click Download PNG or Print

The QR code contains a URL to the filament profile in the dashboard. Scan with your phone to quickly pull up spool information.

Batch generation​

  1. Click Select all or check individual spools
  2. Click Generate all QR codes
  3. Download as a ZIP with one PNG per spool, or print all at once

Spool labels​

Professional labels for thermal printers with full spool information:

Label content (default)​

  • Spool color (filled color block)
  • Material name (large text)
  • Vendor
  • Color hex code
  • Temperature recommendations (nozzle and bed)
  • QR code
  • Barcode (optional)

ZPL for thermal printers​

Generate ZPL code (Zebra Programming Language) for Zebra, Brother, and Dymo printers:

  1. Go to Labels → Thermal Printing
  2. Select label size: 25×54 mm / 36×89 mm / 62×100 mm
  3. Select the spool(s)
  4. Click Generate ZPL
  5. Send the ZPL code to the printer via:
    • Print directly (USB connection)
    • Copy ZPL and send via terminal command
    • Download .zpl file
Printer setup

For automatic printing, configure the label printer under Settings → Label Printer with IP address and port (default: 9100 for RAW TCP).

PDF labels​

For regular printers, generate a PDF with correct dimensions:

  1. Select label size from the template
  2. Click Generate PDF
  3. Print on self-adhesive paper (Avery or equivalent)

Color cards​

Color cards are a compact grid showing all spools visually:

  1. Go to Labels → Color Cards
  2. Select which spools to include (all active, or select manually)
  3. Select card format: A4 (4×8), A3 (6×10), Letter
  4. Click Generate PDF

Each cell shows:

  • Color block with actual color
  • Material name and color hex
  • Material number (for quick reference)

Ideal to laminate and hang at the printer station.

Shared color palettes​

Export a selection of colors as a shared palette:

  1. Go to Labels → Color Palettes
  2. Select spools to include in the palette
  3. Click Share palette
  4. Copy the link — others can import the palette into their dashboard
  5. The palette is displayed with hex codes and can be exported to Adobe Swatch (.ase) or Procreate (.swatches)