Switch between cylindrical knots and mat knots.
Determines which axis the coding pattern is applied to.
Use Column Coding for classic Turks Head, Herringbone, and Pineapple knots.
Use Row Coding for Gaucho Fan knots and to rotate the weave for knots like Pineapple.
Determines what happens when the canvas is manually resized.
Use Recalculate Weave to explore different bight-part combinations.
Use Stretch Grid to better approximate your mandrel or the dressed knot.
The over-under pattern applied to columns or rows.
The most common pattern is one 'O' and one 'U' per strand, like OOOUUU.
You can also enter O3U3.
The number of bights in the top row. Changing this updates the Columns input.
Bight nests are pairs of top and bottom bight rings.
A Turks Head has 1 nest - a pair of top and bottom bights.
A 3-strand Pineapple has 3 bight nests.
Changing this updates the Columns input.
Takes the bight nests in the bottom half of the knot as a unit and shifts the column they are in.
Shifted bottom bights is what distinguishes Pineapple knots from Casa and other regular nest knots.
This input is available when using 2+ Bight Nests.
The number of parts or leads in current knot.
Changing this updates the Rows input.
The number of grid columns. Useful when entering a known multi-strand recipe.
Changing this updates the Bights input.
The number of grid rows. Useful when entering a known multi-strand recipe.
Changing this updates the Parts input.
The number of times 2 strands cross each other in opposite directions.
This is a read-only field.
The number of unbroken runs of overs in the knot.
This is a read-only field.
The knot's current height based on Strand Settings.
In Stretch Grid mode, this field becomes a live input.
The knot's current width based on Strand Settings.
In Stretch Grid mode, this field becomes a live input.
The knot's current inner diameter based on Strand Settings.
In Stretch Grid mode, this field becomes a live input.
The knot's current outer diameter based on Strand Settings.
In Stretch Grid mode, this field becomes a live input.
Consolidate instructions like O2U2.
Once you are happy with a knot, generate its tying instructions.
Instructions are cleared and must be re-generated after modifying a knot in any way.
Purchase a ZIP file containing:
Knot instructions in both the standard and condensed formats.
Multiple reference images with and without pin labels.
A fully editable SVG of the on-canvas knot.
A JSON config file for loading the knot back into Bight Forge.
Load a fully configured knot from a previously exported config.json file.
Enable-disable tooltips like this one.
Switch between this site's dark and light themes.
Note the canvas background can be controlled separately.
Use imperial (in) or metric (cm) units for strand length and knot size estimates.
The width of your laid strand. Informs knot size & strand length estimates.
The thickness of your laid strand. Informs knot size & strand length estimates.
The diamond-shaped space between strands. Informs knot size & strand length estimates.
The faux-3D border thickness. Visual and export only. Does NOT affect size estimates.
Show-hide pin labels on the canvas.
Use a black or white canvas background independent of the site theme.
Sets the print resolution for knot images. If you are printing images, this should match your printer's DPI.
Use this in combination with Stretch Grid to print images to specific physical dimensions. A common use case is printing an image to wrap a mandrel.
Adjust the size of the on-screen canvas for better viewing.
This setting is relative to Image DPI and does NOT affect size estimates.