Simplicity SB3129 Computerized Sewing Machine

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SB3129 has 129 stitches, 10 buttonholes, 3 fonts, 6-point feed dogs, thread cutter, speed control, drop feed.

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Simplicity SB3129 Computerized Sewing Machine.

Simplicity SB3129 ControlsSimplicity SB3129 Long BedSimplicity SB3129 LCD DisplaySimplicity SB3129 Accessories

This Simplicity® Limited Edition professional computerized sewing machine allows you to transform your wardrobe by creating stylish and fashion-forward clothing with ease. The SB3129 lets you expand your palette through high-end features and included accessories. Feel inspired to create the garments you never thought possible with this feature–packed machine.

With the touch of a button, the LED screen displays the stitch pattern number. The digital stitch length and width control makes it easy to sew fabric at the precise point you need a stitch. The Quick-Set™ bobbin ensures fast and easy sewing.

All 129 stitches are available for reference whenever you need to make your next stitch. If that isn't enough, create your own stitches with the My Custom Stitch™ feature and save for later use! The SB3129 makes sewing fun and exciting!

Simplicity SB3129 Features.

  • A Consumers Digest "Best Buy" in Computerized Sewing Machines.
  • Virtually Unlimited Stitches with the My Custom Stitch™ Feature.
  • 129 built-in sewing stitches, including 10 styles of 1-step auto-size buttonholes and 3 sewing lettering styles each with 55 alphanumeric characters.
  • 6-point feed dogs.
  • Built-in thread cutter.
  • Digital stitch length and width control.
  • Super bright dual LED work area.
  • Electronic variable speed control.
  • Advanced needle threading system.
  • Super easy bobbin winding system.
  • Jam resistant Quick-Set™ drop-in top bobbin.
  • Direct 10-key stitch selection and large LCD screen display.
  • Drop feed for free-motion sewing and quilting.
  • Start/stop button and foot controller.
  • Included wide table for larger projects.

Simplicity SB3129 Specifications.

Basic Features.

  • LCD Size (Horizontal x Vertical) inches: 2.0 x 0.7.
  • Stitch Select: 10 Key.
  • Screensaver: No.
  • On-Screen Help: Yes.
  • Built-in Languages: No.
  • Lighting: 2 LED's.
  • Needle Threading System: Advanced.
  • Independent Bobbin Winding Motor: Yes.
  • Thread Sensor: No.
  • Thread Sensor On/Off: No.
  • Automated Upper and Lower Thread Cutting: Yes.
  • Quick-Set™ Bobbin: Yes.
  • USB: No.
  • Computer Connectivity with Update Capability: No.
  • Memory Card: No.

Sewing Features.

  • Work Space (Height & Width) inches: 4.1 x 7.4.
  • Maximum Sewing Speed (Stitches Per Minute): 850.
  • Knee Lifter: No.
  • Feed Dog: 6.
  • Back to Beginning Key: No.
  • Built-in Sewing Stitches (Includes Buttonhole Styles): 129.
  • Buttonhole Styles: 10 One-step.
  • Built-in Sewing Lettering Fonts: 3.
  • Stitch Width: 7mm.
  • Stitch Length: 5mm.
  • My Custom Stitch™ Feature: Yes.
  • Sideways Sewing: No.
  • Start/Stop Button: Yes.
  • Speed Control: Yes.
  • Needle Position Key (Up/Down): Yes.
  • Automatic Height Adjuster™ AHA® Feature: No.
  • Presser Foot Pressure Adjustment: Yes.
  • Presser Foot Leveling: Yes.
  • Pivot Function: No.
  • Drop Feed/Free Motion: Yes.
  • Free Motion Quilting Foot: No.
  • Built-in Quilting Stitches: No.
  • Included Quilting Feet: Yes.

Carton Contents.

  • Accessory Storage: Built-in.
  • Included Accessory Feet: Buttonhole Foot, Overcasting Foot, Monogramming Foot, Zipper Foot, Zig Zag Foot, Blind Stitch Foot, Button Fitting Foot, Walking Foot, Quilting Foot.
  • Other Included Accessories: Knee lifter, accessory pouch with seam ripper, needle set, twin needle, cleaning brush, eyelet punch, screwdrivers (2), spool caps (3), extra spool pin, grid sheet set, power cord and operation manual.


  • Warranty: 1/3/25 year plus warranty.
  • Machine Dimensions (H x W x D): 15.433 inches x 10.63 inches x 21.26 inches.
  • Machine Weight: 22.046 lbs.
  • Shipping Weight: 26.015 lbs.

Simplicity SB3129 Information.

SB3129 Brochure.

SB3129 Web Page.

Simplicity Full Line Brochure.

Brother Plus Warranty.