Periodically I search out previous drafts, this post was started in September 2019. Drawn to folds in a variety of ways again, I am publishing it in progress with the intent of adding more information and related swatches.
Some previous posts with related topics and technique swatches:
origami-inspired pleats1, racked patterns Passap/Brother 2, ribber pleated fabrics, and some possible needle arrangements 3.
There are many considerations if long panels or wide ones are required when setting up repeats in addition to what happens at the edges of patterns in racking as one bed moves near or past the needles in work on the opposite bed. If something like a skirt is planned, the choice must be made as to which side of the knit is preferred, and the end stitches of each panel should be on the underside of the piece unless the join is a deliberate design feature. To achieve that, some panels may need to be wider than others. If the pleats are bulky and involve deep foldovers, panels may be attached to yokes to reduce bulk at the hips. If working from illustrations for pleats for another brand, the needle setups shown may need to be reversed, or, since many such fabrics are reversible if manually set up with no additional patterning on the Japanese machines knit bed or European true double bed they can be knit as illustrated. Lock settings for the Passap are given with the back lock first (ribber settings on Brother), then for the front bed lock (top, knit bed on Brother). Cast ons must be fairly tight so there is no flare at the bottom of the pleats. They usually start on a standard needle setting. Needle transfers are usually made after the cast-on is completed, sealing the stitches with one row of all knit stitches. Swatches should be a minimum of 100 stitches wide by 100 rows if the end goal is a gauge significant garment. All fabrics with texture may change in both appearance and gauge after a period of rest. Some shaping if needed may be obtained by tension changes, OOW needle arrangements on either or both beds, or stitch type within folds (ie adding fisherman, half fisherman, EON patterning, etc.)
Pleat formation on the double bed is “easy” because the pleats are formed “automatically” according to the needle arrangement on each bed. That is true if the resulting folds are created by stocking stitches in vertical bands. My goal is not to provide patterns. There are many well-written ones easily available.
How small can one go? A tiny pleat:
It is easier to transfer stitches when the ribber is set to P (Passap handle up).
Remember to return the setting to half-pitch before continuing. The pleat is reversible, shown on both sides, reminds me of shadow pleats
racking by one position X3 at first, and then X 5 in each direction did not produce results worth the effort IMO, the result is subtle, the reverse side of the fabric is slightly stretched in the bottom photo.
Here the fold is created by 2 stitches tucking for 2 consecutive, then knitting on the same needles for 2 rows on regularly spaced pairs of needles on either bed. Most knitting is on a single bed. A lacey series of eyelets begin to appear, and in some random racking at the top of the swatch, the possibility of developing a secondary pattern due to the combination of racking and tucking begins to show. The middle image is of the fabric slightly stretched. Passap 
Brother: the ribber can do the stocking stitch background, every needle in work, carriage set to knit. The setup is the same as the Passap diagram. A repeat with 2 black rows of squares followed by 2 white can be programmed on the top bed. On every needle selected rows, pairs of needles will knit, on the white, no selection rows the same pairs of needles will tuck for 2 rows.
Moving away from vertical ribs becomes significantly easier if one has a G carriage. The alternative option is to create geometric folds that require transferring between beds. Any of these fabrics are best knit in a yarn that has memory and can spring back. Yarns such as acrylic can be permanently flattened by pressing, resulting in loss of texture. A quick experiment: black cells represent knit stitches, blue purl ones
The needle setups: after casting on, transfer for a stitch configuration based in this case, of blocks that are 5 stitches wide. A single needle on the opposite bed is used on each outside edge of all needles in work.
When there are no groups of stitches in work on both beds the pitch can be set to and remain on P, which also will make transfers easier, as needles will be point-to-point. The ratio used in the test was in multiples of 5. The groups were 5 stitches wide, 15 rows high, with all knit 10 rows in between the repeats. The fabric is shown first relaxed as immediately off the machine, then lightly steamed and stretched. The yarn is a 2/18 wool, far too thin for this use, and likely to flatten considerably with pressing. The close-up of the purl side offers a better view of the resulting folds
The repeat, 10 stitches by 40 rows. 
More on Knit and purl blocks to create folding fabric_ “pleats”
Pleated, plaited shadow lace
Pleated one color “shadow lace” in Slip stitch patterns with hand transferred stitches, double bed 

Pleated dbj
A repeat that will spiral, usable in spiral socks
Spaces between any and all blocks may be adjusted to suit one’s preferences.


offers 4 punchcards for use with this technique.
I chose to work with #170. The lace carriage in the Toyota models operates from the right side rather than the left, as in Brother. The direction of the arrows marked on the card actually indicates movements for the carriage operating from that side. That fact is taken into consideration when planning a possible Brother punchcard repeat. Lace direction arrows are matched based on the punchcard image being mirrored horizontally. The card in its original version is imaged on the left, mirrored on the far right, and the proposed Brother punchcard is in the center. 
The proposed Brother punchcard repeat is now expanded for use on the electronic machine, ready for converting to .bmp in Gimp. Numbers in the middle of the chart on the left helped keep track of repeat segments. I also used red dots initially to mark segments as I had completed in the expanded repeat, then erased them


I expected something like this; 
Regrouping: the easiest place to insert eyelets is in the dominant, background-color
The 930 .png
Can the exchange of the color positions in the yarn feeder create colored shapes with eyelets on the white ground? Not only does it not do so in a way I liked, but my machine was having none of it as well. 


It’s good to start with a small repeat.
Taking it to continuous shapes and checking them in repeat: red cells represent transfers to the right, cyan ones the transfers to the left. The empty cells adjoining each of the two colors represent the location of the doubled-up stitch after the transfer is made.
I like to check tiling for the repeats along the whole process
Though the repeat is 24 stitches wide, it is not suitable for use on the punchcard machines in this format, its tiled test
Adding another contrast color stitch to shapes will make the number of stitches on either side of the eyelets consistent 

and with the addition of two blank rows at the top of each segment.
The possibilities are endless; with some patience, they can be manipulated to meet personal preferences and taste.
Working out an electronic repeat: the punchcard repeat is on the bottom, the expanded electronic one on top, yellow cells highlight rows with tuck stitches 
Returning to Volume 4, here is a combination of lace and tuck repeat that appealed to me. I am repeating a process akin to that used in programming the
The actions of the 2 carriages on the electronic, the repeat prior to mirroring
mirrored for use on the 930 




It has the added data on how each of the fabrics might look visualized in a chart prior to its expansion as a card in full repeat. This is the top half repeat of a card for pull up weaving combined with lace along with the directions for execiting the knit 


My experience with trying to knit
Taking carriages on and off the same side of the machine is nothing I would be inclined to do for any length on any machine. In theory, the identical repeat above could be used on an electronic KM in that way, but I did not get very far with that method before giving up.


Volume 4 offers only this advice: “the empty needles are selected at the second lace pattern, but this is not a trouble, and you may pass the L carriage to the side which is indicated on the punchcard”. I take that to mean that after a transfer if the same needle is selected again, don’t be concerned, keep moving the carriage in the direction of the arrows.
Because the weaving is for only 2 rows, the use of laid in, thicker yarn is well tolerated. The punchcard repeat amended for use on electronic, shown prior to mirroring 





At the time, I made a long, convoluted effort to produce the fabric. I am returning to the topic and comparing 2 cards in this post, the original 589, and a new-found cousin, 259. Looking to the published cards for clues, remember that markings for carriage movements related to the first design row at the bottom of the card begin on the left of the card, above the Brother line numbered 1 on the right. The start of both cards: 
As the carriage moves to the right, the card will advance a row. 
259 shows the traditional approach combining the two techniques that take into account the fact that when the second selecting carriage starts to move from the opposite side, the punchcard does not advance, repeating the same preselection. Added discussion of the differences in repeats for both machine types may be found in the post: Doilies: 






The pattern is simply not workable as given using both carriages selecting needles from opposite sides of a punchcard machine, each moving for 2 rows.
the smallest, single repeated in width X 2 for use on my 930
its .png 


comparing the sequences for both starts, weaving on left, lace on the right 
a sample using 2 different weight yarns; irregular weaving may require changing the yarn, or adjusting the tension used for the background yarn
I like to test these repeats first in transfer lace, to sort out the best tension and yarn to use, errors in programming,
Taking another look at the original punchcard and those arrows on the left-hand side, a detail I had originally missed, they all start from and return to the right, the line thickness changing marking the alternate carriage 


As I was trying to understand what was happening, I was also able to produce a swatch using the original #589 card, using a method that, however, produced all lace transfers to the right, and differed from the desired effect:
the knit, produced at the time on both my punchcard machine and with my 910 also requiring an LC release on its third pass,




Working it on Brother becomes a bit fiddly. Whether working on a punchcard or electronic KM, it is possible to introduce patterning on either or both beds as seen below. I preferred the look obtained with the racked cast on at the start. Setting up the Brother machine: program the repeat, half pitch for every needle rib, air knit to place the pattern on the bed so that the first needle on the left (or right if you prefer) is preselected forward and will produce a knit stitch on the first row knit. The yarn used is a 2/24 acrylic 
now another needle on the ribber is brought in to work on the far left, it will tuck with lili selection when moving from left to right
remember the ribber rule with lili buttons: an even number of needles must be in work, this shows the start and end of selection on the ribber on alternate needle tape markings, as required 



Both pieces compared for width and rippling







An intro to scallops: p.120























The fabric narrows considerably as it is stretched lengthwise to set the stitches. Several panels would be required for a garment such as a skirt. Such an item would need to be pulled into shape, pinned, and hot pressed. Fiber content will determine the crispness of the pleats after blocking, and their retention after cleaning. The swatch below is turned sideways for the sake of space.
More variations with folds can be made by varying the “rules” commonly recognized for creases. Working sideways once more: on a punchcard machine, using card # 1 locked, cast on making certain every other needle as well as the first and last are selected.
Cancel the slip setting, complete the next knit section, and transfer every other needle to the adjacent one on either the right or left.
The needles holding 2 stitches may be brought out to the hold position as each transfer is made, or pushed out to hold after the fact to insure the stitches have been transferred and will knit off properly. The number of needles in work remains constant. 


The slipped stitches form the inside folds in the pressed swatch, while eyelets and tuck stitches fold a picot edge to the outside. 

































The automatic reversal of lettering and motifs.




The punchcard change knob has selections for single motif and pattern knitting (KC)














