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 Spectral Line Bar

Spectral Line Bar

Description:  The Spectral Line Bar is a series of Square knots tied in a unique way to produce the wavy design shown above.

The definition of Spectral Line is:   An isolated bright or dark line in a spectrum produced by emission of light of a single wavelength.

So this decorative knot definitely fits the definition in that it has a dark portion and a bright wavelength pattern representing the light.

Parachute cord is a great material to use when practicing knots, but this design can be made with other materials.  

When using Parachute cord, make sure you heat and melt the ends to seal in the inner fibers.

This decorative knot was found on the Fusion Knots website -- "Spectrally Clustered Solomon Bar"

The design described below has been slightly altered from the original.

Click on the image or link to visit the site. 

Check out the video gallery, which contains many interesting knot patterns and techniques.

Fusion Knots

Preparation and Base

Step 1:  Cut one dark cord and two bright cords, each 2 yards long (for a Spectral Line bar up to 7 inches). 

Prepare the tips to prevent unraveling. 

In the images, the dark cord is black and the bright cords are yellow and orange.

Fold Dark Cord

(Optional)  Fold the dark cord in half and slide the ends through a ring, if you plan to use one.

For a bracelet, belt or other design (no ring), secure the cord with the fold heading towards the back of your board.

Bring Ends Down

Make a Larks Head knot by moving the ends over the front of the ring, and under the folded area.

This step is only necessary if you tie the Spectral Line Bar onto a key ring.
Cross Ends

Cross the ends of the dark cord right over left

Slide the two bright cords near the crossing point.

The center of the cords should line up with the crossed area.

Step 1, continued:  Arrange the bright cords vertically, so the right half passes over the crossed area.  

The left half of the cords should be under the crossed area.  Pull the two halves of the dark cord so they tighten around the bright cords. 

Secure both bright cords.

Left WC

The working cord is the dark one. Mentally label the two halves of it, where they rest now.
Move the left half to the right, over the bright cords. 

Pass it under the right half of the working cord.

Right WC

Move the right half  under the 4 bright cords, heading left.

Pull it out on the left, passing it over the left half of the dark working cord.

This completes the first half of a Square Knot.

Step 1, continued: Tighten the knot firmly by pulling on the ends of the working cord. 

Pull firmly on the bright cords, to remove any slack. 

Spectral Line Bar Design

Separate Cords

Step 2:  Separate the bright cords so the ones coming from the back (or bottom) are to the right

These are now considered working cords, along with the black ones.

The bright cords in front are the fillers.  Secure them so they are vertical (next image).

Designer's Tip:  The working cords are divided into a 3-cord group, and a single dark cord. 

The group does very little movement, while the single cord is used to construct most of each knot.

Right to Left

Step 3:  Curve the 3-cord group on the right towards the left

Pass them under the two filler cords, arranged horizontally.

Make sure the cords are organized so they don't overlap each other. 

Single Dark cord

Step 4:  Move the single working cord (now on the left) under the 3-cord group. 

Bring it over the fillers and under the curved area of the 3 cords, as you pull it out on the right.

Important:   When you tighten by pulling on the working cords, keep them organized so they stay in the same position.  

Tighten the Spectral Line Bar gradually, so the curved portions are the same size, and the cords close together (see next image).

Left to Right

Step 5:  Curve the 3-cord group to the right, passing them under the fillers.

The colors switch places, with orange on the outside and black on the inside. 

This will always be the case when you move the cords from left to right.

Single Dark Cord

Step 6:  Move the single working cord under the 3-cord group, on the right.

Bring it over the fillers and under the curved area of the group, as you pull it out on the left.

Tighten the knot and keep the cords organized.


Step 7: Repeat steps 3 - 6 several times.

Try to keep all the curved areas the same size as you progress. 

Stop on Step 6

Stop when the Spectral Line Bar is the size you want.

Make sure you stop on Step 6, with the loops on the left.

Finishing Options

Half Knot

Secure the dark cords by moving the left one over the fillers and under the right dark cord.

Move the right dark cord under the fillers, then pull it out on the left, over left the dark cord.

Move the dark cords to the back of the bar, and secure them with glue.

The two SHORT bright cords can be cut off, after glue is applied.  These are the cords on the right. 

Melt the tips of these cords with a flame if using Paracord or nylon material.

Here are 3 ways to finish the lower end of the Spectral Line Bar:

Option 1:  The remaining two bright cords were fillers, so are longer than the others.  They can be used to make a button knot, if you need a clasp.

The best one is the Knife Knot, also called the Diamond knot.

Option 2:  You can add a bead to the two filler cords, to be used as a clasp or for decoration.

A button can also be used for a clasp.  Pass the ends through the shank in opposite directions, then secure it with a finishing knot.

Option 3:  You can finish the ends of the long cords by adhering them to the back of the Spectral Line Bar with glue.

Cut off the excess material when the glue is dry.

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Have any comments about the Spectral Line Bar? Contact Me.

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