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Clay shrinks as it dries and even more as it's fired, so it's useful to have a way to estimate the final size of in-progress work - especially if you're making multiples or trying to fit pieces together. One way to do this is with shrinkage rulers. I figured I'd design my own shrinkage rulers and provide a way for folks to make them themselves since ceramic tool costs can add up. To make your shrinkage rulers: Download either the colorful printable shrinkage rulers or black and white printable shrinkage rulers. Print at 100% size. (These files are both 400 dpi.) Verify that the 0% shrinkage standard ruler at the top matches the size of an existing regular ruler you have. This quick calibration step will make sure nothing out of scale during printing! Cut out your rulers. Optionally, laminate or cover in packing tape to help them last longer. To use your shrinkage rulers: If you're using commercial clay, look up how much your clay is estimated to shrink. If you're using a blend of...
9 months ago

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More from Liz Denys

Bike Brooklyn! zine

I've been biking in Brooklyn for a few years now! It's hard for me to believe it, but I'm now one of the people other bicyclists ask questions to now. I decided to make a zine that answers the most common of those questions: Bike Brooklyn! is a zine that touches on everything I wish I knew when I started biking in Brooklyn. A lot of this information can be found in other resources, but I wanted to collect it in one place. I hope to update this zine when we get significantly more safe bike infrastructure in Brooklyn and laws change to make streets safer for bicyclists (and everyone) over time, but it's still important to note that each release will reflect a specific snapshot in time of bicycling in Brooklyn. All text and illustrations in the zine are my own. Thank you to Matt Denys, Geoffrey Thomas, Alex Morano, Saskia Haegens, Vishnu Reddy, Ben Turndorf, Thomas Nayem-Huzij, and Ryan Christman for suggestions for content and help with proofreading. This zine is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, so you can copy and distribute this zine for noncommercial purposes in unadapted form as long as you give credit to me. Check out the Bike Brooklyn! zine on the web or download pdfs to read digitally or print here!

2 months ago 29 votes
The night sky and finding hope in the dark

I found inspiration for this pitcher's glaze design in the night sky. Whenever I feel lost, I know I can always look up and be under the same night sky, no matter where I am. Whenever I feel alone, I know I can always look up and feel connected to humanity, everyone else looking up at the same sky. Whenever I feel all is lost, the vast darkness in the night sky reminds me there are so many possibilities out there that I haven't even thought of yet. My studio practice is on a partial pause for an unknown amount of time right now; every piece I make is stuck in the greenware stage as I continue to save up to buy kilns and build out the glaze and kiln area. In some moments, this pause feels like a rare opportunity to take time to make more experimental and labor intensive pieces, but in other moments, I am overwhelmed by the feeling that pieces without a completion timeline on the horizon are just not worth doing. It's easy to bask in fleeting bursts of inspiration; it's harder to push through the periods where nothing feels worth doing. It's especially when the waves of anxiety about the unknown future of my studio practice and the waves of anxiety about the direction of the US government and the future of my country come at me at the same time. I try to ground myself, to keep myself from spiraling. I name things I can see, smell, hear. At night, I look to the dark sky. When I can, I reread Rebecca Solnit's Hope in the Dark: Hope locates itself in the premises that we don't know what will happen and that in the spaciousness of uncertainty is room to act. When you recognize uncertainty, you recognize that you may be able to influence the outcomes–you alone or you in concert with a few dozen or several million others. Hope is an embrace of the unknown and the unknowable, an alternative to the certainty of both optimists and pessimists. Optimists think it will all be fine without our involvement; pessimists take the opposite position; both excuse themselves from acting. It's the belief that what we do matters even though how and when it may matter, who and what it may impact, are not things we can know beforehand. We may not, in fact, know them afterward either, but they matter all the same, and history is full of people whose influence was most powerful after they were gone. May we all find hope in the dark and choose to act.

5 months ago 45 votes
Rising sea levels, eroding beaches, melting ice caps

When I was glazing this v60-style cone, I was thinking of rising sea levels, eroding beaches, and melting ice caps. Trying to tackle large challenges like climate change is overwhelming in the best of times, and these are not the best of times. There are many things we can personally do to reduce our carbon footprints and fight climate change, but If we want to have any chance to succeed, we need to join together and organize. If you're new to organizing, connect with local groups already doing the work you're interested in, and don't forget to look for groups pushing for change outside of just the national stage. Creating more dense walkable, transit-oriented communities is one of our strongest tools for a sustainable, climate friendly future. Generally, the bulk this work in the US happens at the state and local levels. In addition to the climate benefits, it's essential work to keep communities together and fight displacement. I personally spend a lot of my spare time organizing locally around this issue to help ensure NYC and New York State stay places everyone can thrive. I focus especially on pro-housing policies and improving transportation options and reliability so climate-friendly, less car-dependent lifestyles - and New York's relative safety - can be for everyone.

5 months ago 40 votes
Notes on cone 6 clay bodies, part 2

I'm continuing my clay body reviews series with two very heavily grogged "sculpture" clays I've used. Note that I currently practice in a community studio that glaze fires to cone 6 in oxidation, so my observations reflect that. Standard 420 Sculpture: Cone 6: average shrinkage 8.0%, absorption 1.5% Light straw when fired to cone 6: more yellow/beige than most white stonewares so the color is something to consider in your final vision (or engobe in something else) So much grog that it’s best described as working with wet sand, non-derogatory I've made complicated open coil-based structures with this clay that have been formed across many studio sessions over a couple days, and they've survived without cracking! Wet clay attaches readily to leather hard and even slightly dry clay. Wrapping my works in dry cleaning bags until done and dry before bisque was enough - I was worried I'd have to make a damp box, but not with this clay! The grog is white and grey, and it comes in a variety of sizes, including some that is visually rather large. The grog really shows if you sand to smooth the surface. I typically dislike how this looks - the result ends up looking more like concrete than clay. If you use this for functional ware or anything you move around a lot, you'll certainly want to sand the bottom since the groggy surface is extra rough to protect tables and counters. Burnishing alone doesn't usually make this clay smooth. Can be thrown when very soft, but your hands will feel scratched if you're not used to it! Angled slab joins join readily, and support coils press in quickly and easily. Some members of my studio prefer to make plates with this clay because the high level of grog significantly reduces warping. I personally prefer to make plates with clays with far less grog that I dry very slowly. High palpable grog content means a weaker object, and I prefer more strength in objects that are handled frequently. Can be marbled with 798, but needs to dry slowly. Standard 420's straw color shows in the unglazed section of this planter's drip tray, and there's also some flashing from the glaze near the edges. I sanded the base of this piece so the slightly rough surface of Standard 420 wouldn't scratch tables, and you can see the contrast between the sanded bottom (outside) layer where the varied grogs are revealed and the rougher surfaces of the other layers where they are still covered by clay particles. This handbuilt planter was made of Standard 798 over multiple studio sessions. The sculptural coil structures attached readily with my regular slip and score process, and it dried evenly enough to not crack with my regular process of drying under a single plastic dry-cleaning bag. This coiled wall art piece was made out of equal parts Standard 112 and Standard 420 wedged fully together. There's still ample grog in this hybrid clay body to work the same as the Standard 798 planter's coiled structure. Standard 798 Black Sculpture: Cone 6: average shrinkage 10%, absorption 1.0% Dark brown when wet, fires to a gorgeous black at cone 6 when unglazed. Clear glazes will make this clay look brown, so you need to use a black like Coyote Black or Amaco Obsidian to preserve the black color if you want to glaze it. So much grog that it’s best described as working with wet sand, non-derogatory. The grog is white, and provides a lovely contrast when on the surface or sanded to be revealed. Like 420, you'll probably want to sand the bottom of anything you'll pick up and put down more than once. Very similar working qualities to 420 - a true joy for handbuilding! Can be marbled with 420, but needs to dry slowly.

a year ago 103 votes

More in programming

The 6 Hours of Lex

When I drive the 24 Hours of Le Mans, I spend a total of about 6-9 hours in the car, divided into stints of roughly two hours at a time. It's intense. But talking with Lex Fridman in Austin on his podcast? Over six hours straight! We only interrupted the session for five minutes total to take three bathroom breaks. All that endurance training has clearly paid off! But the magic of a good conversation, like the magic of driving at Le Mans, is that time flies by. Those six hours felt more like sixty minutes. This is what flow does: it compresses the moment. Besides, we had plenty to talk about. Lex prepares like no other podcast I've ever been on. Pages and pages of notes. Deep questions, endless attention for tangents. We covered the beauty of Ruby for half an hour alone! But also the future of AI, small teams, why we left the cloud, Elon Musk, fatherhood, money and happiness, and a million other topics (which Lex mercifully timestamps, so listeners without six hours to spare can hop around). It was a privilege to appear. If you're interested, the conversation is on YouTube, on Spotify, on X, and as a regular podcast.

2 hours ago 2 votes
Measurement and Numbers

Here’s Jony Ive talking to Patrick Collison about measurement and numbers: People generally want to talk about product attributes that you can measure easily with a number…schedule, costs, speed, weight, anything where you can generally agree that six is a bigger number than two He says he used to get mad at how often people around him focused on the numbers of the work over other attributes of the work. But after giving it more thought, he now has a more generous interpretation of why we do this: because we want relate to each other, understand each other, and be inclusive of one another. There are many things we can’t agree on, but it’s likely we can agree that six is bigger than two. And so in this capacity, numbers become a tool for communicating with each other, albeit a kind of least common denominator — e.g. “I don’t agree with you at all, but I can’t argue that 134 is bigger than 87.” This is conducive to a culture where we spend all our time talking about attributes we can easily measure (because then we can easily communicate and work together) and results in a belief that the only things that matter are those which can be measured. People will give lip service to that not being the case, e.g. “We know there are things that can’t be measured that are important.” But the reality ends up being: only that which can be assigned a number gets managed, and that which gets managed is imbued with importance because it is allotted our time, attention, and care. This reminds me of the story of the judgement of King Solomon, an archetypal story found in cultures around the world. Here’s the story as summarized on Wikipedia: Solomon ruled between two women who both claimed to be the mother of a child. Solomon ordered the baby be cut in half, with each woman to receive one half. The first woman accepted the compromise as fair, but the second begged Solomon to give the baby to her rival, preferring the baby to live, even without her. Solomon ordered the baby given to the second woman, as her love was selfless, as opposed to the first woman's selfish disregard for the baby's actual well-being In an attempt to resolve the friction between two individuals, an appeal was made to numbers as an arbiter. We can’t agree on who the mother is, so let’s make it a numbers problem. Reduce the baby to a number and we can agree! But that doesn’t work very well, does it? I think there is a level of existence where measurement and numbers are a sound guide, where two and two make four and two halves make a whole. But, as humans, there is another level of existence where mathematical propositions don’t translate. A baby is not a quantity. A baby is an entity. Take a whole baby and divide it up by a sword and you do not half two halves of a baby. I am not a number. I’m an individual. Indivisible. What does this all have to do with software? Software is for us as humans, as individuals, and because of that I believe there is an aspect of its nature where metrics can’t take you.cIn fact, not only will numbers not guide you, they may actually misguide you. I think Robin Rendle articulated this well in his piece “Trust the vibes”: [numbers] are not representative of human experience or human behavior and can’t tell you anything about beauty or harmony or how to be funny or what to do next and then how to do it. Wisdom is knowing when to use numbers and when to use something else. Email · Mastodon · Bluesky

an hour ago 1 votes
New Edna feature: multiple notes

I started working on Edna several months ago and I’ve implemented lots of functionality. Edna is a note taking application with super powers. I figured I’ll make a series of posts about all the features I’ve added in last few months. The first is multiple notes. By default we start with 3 notes: scratch inbox daily journal Here’s a note switcher (Ctrl + K): From note switcher you can: quickly find a note by partial name open selected note with Enter or mouse click create new note: enter fully unique note name and Enter or Ctrl + Enter if it partially matches existing note. I learned this trick from Notational Velocity delete note with Ctrl + Delete archive notes with icon on the right star / un-star (add to favorites, remove from favorites) by clicking star icon on the left assign quick access shortcut Alt + <n> You can also rename notes: context menu (right click mouse) and This note / Rename Rename current note in command palette (Ctrl + Shift + K) Use context menu This note sub-menu for note-related commands. Note: I use Windows keyboard bindings. For Mac equivalent, visit https://edna.arslexis.io/help#keyboard-shortcuts

4 days ago 8 votes