Janome Half Circle Ruler

The Janome Half Circle Ruler is a precision quilting tool designed for use with Janome Quilt Maker longarm machines and high shank sewing machines equipped with a compatible 1/4 inch ruler foot. Made from durable 1/4 inch clear acrylic, this ruler features easy-to-read grids and alignment lines that ensure accurate stitch placement while maintaining full visibility of your work. The textured surface provides a secure grip during free-motion quilting, making it easier to execute consistent half-circle designs.

Key Features

• Precision 1/4 inch thick clear acrylic construction allows full visibility of fabric and stitching lines
• Hand-selected for compatibility with Janome Quilt Maker longarm machines and high shank sewing machines
• Grid lines and alignment markings enable accurate placement and consistent spacing
• Textured, easy-grip surface prevents slipping during free-motion quilting
• Half-circle design simplifies creating curved quilting motifs, feathers, and decorative elements
• Durable acrylic material resists warping and maintains dimensional accuracy over time
• Requires a compatible 1/4 inch ruler foot for safe use with your machine

Specifications

The Janome Half Circle Ruler is an excellent choice for quilters looking to expand their free-motion quilting capabilities with precise curved designs on Janome longarm and high shank machines. Janome backs this machine with a 25-year mechanical warranty, 2-year electrical warranty, and free parts and labor during the first year. OSP Machines is an authorized Janome dealer and provides free support for the life of your machine.

• Artistic Quilter Sit Down 16
• Quilt Maker 15
• Quilt Maker 18
• Quilt Maker Pro 16
• Quilt Maker Pro 18 Versa
• Quilt Maker Pro 20

Frequently Asked Questions

What machines is the Janome Half Circle Ruler compatible with?

This ruler is designed for use with all Janome Quilt Maker longarm models including the Quilt Maker 15, 18, Pro 16, Pro 18 Versa, Pro 20, and Artistic Quilter Sit Down 16. It also works with high shank sewing machines when used with a compatible 1/4 inch ruler foot.

Do I need a special foot to use this ruler?

Yes, you need a compatible 1/4 inch ruler foot designed for ruler work. This foot creates the proper clearance between the ruler and the fabric surface, allowing safe and accurate quilting. Janome Quilt Maker machines are designed for ruler work, while high shank sewing machines require a separate ruler foot accessory.

What is the ruler made from and why is it 1/4 inch thick?

The ruler is made from clear acrylic that is 1/4 inch thick. This thickness is the industry standard for ruler work because it provides the proper height to work with ruler feet while remaining durable and warp-resistant. The clear material allows you to see your fabric and previous stitching lines.

What skill level is needed to use this ruler effectively?

Quilters at a beginner to intermediate level can successfully use this ruler. Basic free-motion quilting skills are helpful, and practicing with the ruler on scrap fabric first will help you develop confidence. The grid lines and alignment markings make it easier to achieve consistent results even when you're new to ruler work.

What quilting designs can I create with a half circle ruler?

The half circle ruler is versatile for creating curved quilting motifs including clamshells, scallops, feathers, paisley designs, and decorative arcs. You can use it to add curved elements to geometric patterns or create flowing, organic designs. The grid markings help you space repeating designs consistently across your quilt.