T Ruler

T ruler for bookbinding helps you mark square, parallel lines when preparing paper, board and covers.

Free signature templates for bookbinding help you fold and prepare consistent paper sections for handmade books.

This T ruler is a practical layout and marking tool for bookbinding and paper craft. The T-shaped design allows the ruler to sit securely against the edge of a board or sheet of paper, helping you draw straight, parallel lines with consistent spacing.

It is especially useful for marking:
• Turn-in edges on covers
• Spine gaps
• Border lines
• Cutting and trimming guides
• Layout work for boards and paper

The ruler is 3 mm thick, making it sturdy enough to use as a marking and cutting guide while remaining lightweight and easy to handle.

Each ruler is 3D printed and made to order. You can choose the spacing size that best suits your project from the available options.

Available sizes:
3 mm | 5 mm | 7 mm | 10 mm | 12 mm | 15 mm | 20 mm | 25 mm | 30 mm

Suitable for use with:
• Chipboard and book board
• Paper and card
• Book cloth and covering materials
• General craft and layout work

Features:
• T-shape for accurate edge alignment
• Helps keep lines square and parallel
• 3 mm thick for durability
• Lightweight and easy to use
• Made to order

Select your required size from the options before adding to cart.

Accurate measuring and layout

Rest the crosspiece against a straight edge and draw along the blade to create repeatable right-angle guidelines. Measure twice before cutting, especially when preparing matching cover boards or trimming decorative paper.

Useful for handmade books

A T ruler is useful for cover layout, spine placement, paper trimming guides and positioning decorative elements. Combine it with chipboard, book paper and other bookbinding tools.