AGM: Remove Non-Loop Strands
Determining if a knot is properly formed
When using Advanced Grid Maker to design a knot, it can be hard to tell if the knot is properly formed. Here’s a quick example of using the Remove Non-Loop Strands feature to tell if a strand’s working end meets its standing end, forming a loop.
Remove Non-Loop Strands
What it's for
The Remove Non-Loop Strands feature is for locating strands where the working end should finish at the standing end but doesn’t.
I couldn’t find the technical name for this type strand, though I’m sure there is one. I think of them as ‘closed’ strands, but ‘looped’ makes sense too – if you joined the working and standing ends, you’d have an uninterrupted loop.
The simplest example is the Turk’s Head where you work a single strand around the mandrel in a set pattern until you’ve reached the beginning.
It can also apply to a single strand within a multi-strand interweave like the pineapple, herringbone, gaucho fan, or custom design.
Turk's Head Example
To use, click the Remove Non-Loop Strands button – one of two things will happen.
First, the entire image may disappear. This indicates the pattern has a single strand – what we want. But the strand isn’t a loop – its working end doesn’t meet its standing end.
Second, AGM may add strands to complete the pattern. You’ll see this in 3 places – in the information box below the image, in the printable instructions, and as you hover over the image.
As you hover, each strand will turn a contrasting color – here it’s yellow.
If you’ve clicked the button and aren’t seeing a color change on hover, try clicking one of the other buttons and then the Remove Non-Loop Strands button again.
In this example, I’m going for a simple Turk’s head. The left and middle images show a mathematically possible knot – there is a single strand and the entire strand turns yellow, indicating it’s one uninterrupted loop.
The right image shows a mathematically impossible Turk’s Head. Here, AGM is trying to make sense of the info I’ve fed it and is telling me this can be tied with 3 strands – not the single strand I’m after.
In this example, I’m dinking around with a 3-strand pattern that started as a gaucho fan. I want to stay with 3 strands.
Here, I’m hovering over the blue strand and only parts of it are turning yellow – meaning the blue is not a single, uninterrupted loop.
Again, AGM is trying to use the info I’ve entered to create closed loop strands – while I only fed it 3 strands, it’s telling me I need 10 for this design.