Forge — Mini Plotter Arm

€129,90
Sale price  €129,90 Regular price  €149,90
Taxes included.

What you build

A 3-axis pen plotter arm that draws on paper, cardboard, or small canvases. Calibrated for A4 paper. Perfect for generative art, signatures, and simple line drawings.

What's in the box

  • Pre-cut acrylic frame parts (4 pieces, laser-cut)
  • 3× SG90 servo motors (X, Y, Z axes)
  • 1× Tower Pro MG90S metal-gear servo (pen lift)
  • Pen holder + 5 felt-tip pens (black)
  • M3 screws + nuts + spacers
  • Arduino Uno + USB cable
  • Step-by-step build guide + Arduino code + web plotter UI

Tools you need

  • Computer with USB port
  • Small Phillips screwdriver
  • Optional: hot glue gun for permanent assembly

Skill level

Intermediate to advanced. Mechanical assembly, servo calibration, and basic Arduino code (provided). Be patient with calibration — first plot is rarely perfect.

Time to build

~6 hours total (2 hours assembly + 4 hours calibration + first drawings).

Specs

  • Drawing area: A4 (210 × 297 mm)
  • Resolution: ~0.5 mm (limited by servo precision)
  • Weight: 0.8 kg (assembled)
  • Power: USB 5V
  • Software: Web UI for SVG upload, or Python serial commands

Benefits

Nourishing
Hydrating
Soothing

Won't clog pores
Lightweight

OpenForge Forge — 2-axis drawing robot arm with SG90 servos and Arduino control

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