SummaSketch III

When you’re looking for maximum compatibility in a small-format product, choose the industry standard, a SummaSketch III digitizer. With over 2000 lines per inch of resolution, support for DOS, Windows 3.1, Windows 95 and NT, there is a SummaGraSummaSketch IIIphics product designed for you.  
Features | What’s in the Box | Models | Specifications  
SummaSketch IIISummaSketch IIISummaSketch III

  • Ergonomic tablet in two convenient sizes.
  • Choice of 2-button pen, 4-button cursor, or 16-button cursor.
  • Broad software compatibility.
  • High accuracy and resolution.
  • ADI Windows drivers.

SummaSketch III is the award-winning, best-selling digitizing tablet because it comes with everything you need for fast and accurate digitizing, tracing, drawing, illustrating, cursor steering and menu picking with your CAD and graphics programs. SummaSketch III is compatible with over 400 software programs-the most software compatibility around.

SummaSketch III and SummaSketch III Professional feature an ergonomic, wedge-shape design and tilt adjustment that make working comfortable and non-fatiguing. A recessed template or artwork area and transparent overlay hold your work securely. A choice of pen stylus, 4-button or 16-button cursor allow you to select the best configuration for your needs. SummaSketch tablets provide high accuracy, and proximity sensing of up to one-half inch means that you can trace images even through thick material. Standard equipment includes the tablet, your choice of cursor or pen, drivers and utilities, interface, cables and more. With SummaSketch III from CalComp you’re ready to go.

What’s in the Box

  • SummaSketch Tablet
  • Cursor or Pen
  • TabletWorks Driver Software on CD-ROM
  • Interface Cables
  • Power Supply
  • ADB Interface (Macintosh Version)
  • User’s Manual



Model Active area Width Depth Height (front) Height (front) Weight
SummaSketch III 12×12 in
(305×305 mm)
16.25 in
(413 mm)
16.38 in
(416 mm)
.82 in
(21 mm)
1.63 in
(42 mm)
8 lb
(3.7 kg)
SummaSketch III
12×18 in
(305×457 mm)
23 in
(584 mm)
17.5 in
(445 mm)
.82 in
(21 mm)
1.63 in
(42 mm)
16 lb
(7.4 kg)



Platform Support Compatible with over 400 software programs, including Windows 3.1, 95, NT
Software Drivers ADI, Microsoft Windows 3.1/95/98/NT/Me/2000 drivers, with Microsoft Mouse emulation
Resolution 2,540 lpi (100 lpmm) – 12×12 SummaSketch
2,000 lpi (80 lpmm) – 12×18 SummaSketch Professional
Accuracy +/- 0.010 in (0.254 mm) – 12×12 SummaSketch
+/- 0.008 in (0.203 mm) – 12×18 SummaSketch Professional
Proximity +/- 0.010 in ( +/- 0.25 mm)
Data Rate Up to 114 reports per second
Technology Electromagnetic
Output Formats MM (SummaSketch), Microgrid (UIOF)
Warranty One Year