Tangled Cd

[Pavido Scalf]

My Prusa detected a crash and the print was deformed because the filament spool was stuck 12 hours into a 16 hours print job. Is that any part or accessary to prevent the spool from tangled and stuck?

I started a new spool of Overture PETG the other night where it seems like the filament went onto the spool twisted during the manufacturing process. I have a spoolholder mounted to the side of my Bear feeding it through a reverse bowden, and this particular spool keeps having the filament come off and get tangled around the spool holder. It's one of the ball bearing type holders, and when I mounted it I found right away there was actually too little friction, and the spool tended to overrun the filament. I machined a couple plain bushings out of delrin to replace the bearings, which helped a lot. But it could still use to have a little less friction with some spools, such as the current one. Hopefully it will get better as I use up some of the filament.

Yeah it wouldn't need to be complicated. I just read my post again and see that I messed up; what it should have said is that it could still sometimes use to have MORE friction, but obviously you knew what I meant. Stupid edit time limit. The spoolholder design in the batch of Voron parts I am printing uses a couple lengths of PTFE tube from the looks of it. At some point it might be worth going into the stepfile and lengthening it so I can use it on the Bear and still clear the power supply case I used, which has the plug and the switch on the side.

Issue seems to be when printing, the spool turns and loosens a few strands all in one go - the spool doesn't turn as filament is pulled from it - its more in bits as the plastic is pulled, which looses a few strands at a time. Hence I'm now careful when unloading filament to ensure I keep hold of the unloaded end and temporarily 'hook' it under the frame of the printer, in the direction of it's natural curve. I only have prusa filaments and some of them come with a section where you can insert the filament end into a slot on the inner side often spool, which is a good solution. Others have holes to feed the filament end through, which I do not like using - it creates a kink in the filament, or sometimes the filament can snap off if you haven't pulled enough through and you're back to square one - so for these spools I just use a bit of masking tape to tape the end to the spool. I cut the end into an angle before feeding into the extruder anyways, so there is no risk of any tape adhesive entering the printer.....

I have had the exact same issue with two spools and couldn't understand why it happened until I read this post. That, once being ready with a spool, the end has to be firmly attached (stretched) onto the spool's outer wheel, or it may start free spinning and then we can have entanglement like this. Lesson learned.

Ghislaine Vias Inspired by the organic nature of several striped patterns found in a vintage Wolf-Gordon catalog, award-winning product and interior designer Ghislaine Vias created this vertically focused, rotogravure-printed design. Starting with a hand-drawn sketch, the design was repeated to create a continuous pattern of lines that ripple and occasionally intertwine, in a playful tribute to being entangled.

Ikat is a specialized form of resist-dyeing where the pattern is dyed into threads before weaving. This complex and time-consuming technique is achieved by tightly binding predetermined sections of threads to resist the saturation of color when submerged into dye baths. For many cultures, including Central Asia, India, Japan, Southeast Asia, and Central and South America, this colorful form of ikat dyeing was popular.

Returning to our bundle, for transport and storage the long lengths of tangled threads had been wrapped in tissue and placed in a clear archival polyethylene plastic bag. They were safe and stable, but certainly not attractive for exhibition.

The first step was to document and carefully remove the seven cotton cords which were simply wrapped several times around the silk bundle, spaced about a foot apart. This step went encouragingly well. Despite the fact that these wrapping cords were intended to protect the silk yarns, these areas ultimately had the most silk tangling and damage. Can you spot these areas in the overall photo?

Each end of the silk bundle was knotted on itself. To start, one end was unknotted and examined. This was one of many points in the plan where I could back out, returning the artifact to its original condition. Should I go forward?

To reduce handling, a search for the pattern was done using color photographs. A segment of the bundle, including a nine inch repeat, was photographed and printed. Then I cut out (from the photos) each group of threads, resulting in long strips of paper, similar to strips from a paper shredder. Each strip was labeled so that the original order could be re-established. The paper strips could be shuffled to create an unlimited number of patterns, searching for one that made sense. Here is a detail:

After an exhaustive study, much to my surprise and disappointment, no clear pattern, beyond that of red design elements on a dark blue ground, was found. The paper strips, along with my notes, were saved so that the next detective can pick up where I left off.

I'm looking to make something along this type of line design, but every time I try, it ends up looking very bad: messy instead of designery, uneven coverage, etc etc. I typically go for very geometric shapes (the two big design projects I'm currently working on are literally based on squares and hexagons), and I'm at a loss how to make tangled lines look good. I know about Bezier curves, obviously, and line smoothing, but that doesn't seem to be helping as much as I would like.

Though if you can't find a pencil and paper nearby, here's one way to do it, using Photoshop. Hopefully you will find that it informs your process somewhat in CorelDraw (which I haven't touched in years, sorry!)

The median assessed value of the tangled properties ($88,800) is lower than the citywide median of $134,300 not because of the tangled titles but because property values in the neighborhoods where the residences are located are lower than those in other areas of the city. In fact, the values of properties with tangled titles are only 1% lower, on average, than those of other properties on the same block.5

Across the city, 32% of tangled properties are delinquent in paying their real estate taxes, compared with 9% of residential properties citywide. About 39% of tax-delinquent tangled title homes are in payment agreements with the city, a rate of participation higher than the average of 34% among all delinquent residential properties.6

Sources: Pew analysis of data from the Philadelphia Office of Property Assessment and the Philadelphia Department of Revenue; U.S. Census Bureau, American Community Survey, five-year estimates, 2015-19

Although publicly available data does not include the characteristics of the households living in homes with tangled titles, the census tracts with higher percentages of tangled titles have lower household incomes and higher poverty rates than tracts with lower percentages of tangled titles. (See Table 2.) Among the other factors that help explain the prevalence of tangled titles in these areas are the inaccessibility of legal services and low property values, sometimes compounded by liens, that limit the financial benefit of clearing the title.

For the group with the smallest percentage of tangled titles, shown in pale yellow in Figure 2, the median household income is relatively high, the poverty rate is relatively low, and home values are $294 per square foot. Nearly two-thirds of these tracts are in Center City.

Low levels of estate planning among Black households likely contribute to the racial patterns shown in Table 3. Nationally, among people over age 50, only 20% of Black residents have valid wills, compared with 63% of White residents.8 And 48% of Black households in Philadelphia own their homes, the highest rate of Black homeownership among the 50 largest cities in the country.9

A rent-to-own agreement goes wrong. The title to a property can become tangled through a failed rent-to-own agreement, a method of home purchase sometimes used by people who are unable to secure a mortgage.13 The buyer agrees to make installment payments over a period of time while living in and caring for the house. The seller agrees to transfer the title to the buyer when the payments are completed. Entering the agreement gives the buyer a legal claim to the property, although the seller remains the record owner for the duration. If the seller fails to transfer a clean title to the buyer after the agreed-upon payments are made, the title becomes tangled.14

Passing the title to a new owner via probate can be relatively straightforward if the will is clear. And things can go just as smoothly without a will, if the individual taking the title has the support of all other heirs.

Consider a simple case: A person wants to obtain the title for the home of his or her deceased parents, both of whom died without a will several years ago. He or she is the only heir to the property, and the deceased person left no other debts or assets. The property was assessed at $88,800 at the time of death. The individual hires an attorney to handle everything.

For example, if the deceased record owner received Medical Assistance for long-term care at age 55 or older, federal law requires the state to recover the cost of care from any assets left behind, including a house.56 These costs can amount to hundreds of thousands of dollars.57 The Pennsylvania Department of Human Services can waive recovery if the heir taking title provided care to the deceased for at least two years and has no other address or can otherwise demonstrate hardship. Recovery may also be postponed in some circumstances.

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