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Pottery by Kent
United States
Registrace 10. 08. 2021
Slip Casting Step by Step: Using Shape Cast Molds to Slip Cast Pots
Sign up for Shape Cast at shapecastmolds.com
I use the plaster molds I created using Shape Cast and slip cast a bunch of pots from start to finish. I also show slip casting some handles and attaching them to the pots as well.
TOOLS and MATERIALS (affiliate)
- Spigot amzn.to/3RjGNd0
- Motorcycle lift amzn.to/3unWK9M
- Socket amzn.to/49dJ2VX
- Socket adapter amzn.to/3vX3Tys
- Buckets amzn.to/49eCupX
- Bucket lids amzn.to/42jbljn
I use the plaster molds I created using Shape Cast and slip cast a bunch of pots from start to finish. I also show slip casting some handles and attaching them to the pots as well.
TOOLS and MATERIALS (affiliate)
- Spigot amzn.to/3RjGNd0
- Motorcycle lift amzn.to/3unWK9M
- Socket amzn.to/49dJ2VX
- Socket adapter amzn.to/3vX3Tys
- Buckets amzn.to/49eCupX
- Bucket lids amzn.to/42jbljn
zhlédnutí: 727
Video
A Year of Shape Cast - from origin story to product
zhlédnutí 274Před měsícem
Sign up for Shape Cast at shapecastmolds.com I've been working on Shape Cast, my design tool for 3d printing molds for plaster slip casting, for about a year now. Here I talk about about the origins of Shape Cast, moving into steady state and doing some research, and finally my thoughts around the product and business of Shape Cast and how it can create value for your own ceramics business.
Learning to Throw: Show and Tell from Class
zhlédnutí 344Před měsícem
I've been doing ceramics for several years but almost all of it has been slip casting. I decided to take a class and learn to throw. Here is what I made!
Making a 3D printed mold for slip casting a 12oz mug
zhlédnutí 1,6KPřed měsícem
Shape Cast: shapecastmolds.com Let's design a 12oz mug using Shape Cast and attach one of our new handle forms! TOOLS and MATERIALS (affiliate) - Calipers amzn.to/4dXKT4l - PLA amzn.to/3QrWnnt - Filler Primer amzn.to/3P69Yye - Spot Putty amzn.to/3LmCcn9 - 220 sand paper amzn.to/4bYyNX2 - CA glue and activator amzn.to/3x6fkEK - M3x8 screws amzn.to/3qensjc - M3 threaded inserts amzn.to/3OrJl6W - ...
3D printed molds for slip cast handles - more sizes!
zhlédnutí 651Před měsícem
Shape Cast: shapecastmolds.com Now that I have a working handle system, what do we need? More options for different sizes of course. I designed 10 different handles with varying heights and test out a couple here. If you're interested in making your own, check them out on Shape Cast. TOOLS & MATERIALS (affiliate) - Tuck Tape amzn.to/3VUGA2K - Sifter amzn.to/3xkkopv
3D printed mold for Slip Cast Handles!
zhlédnutí 12KPřed 2 měsíci
Shape Cast: shapecastmolds.com Want to 3D print a mold for plaster to make a slip cast handle? After a fair bit of iteration I have a working mold system for handles! TOOLS & MATERIALS (affiliate) - Tuck Tape amzn.to/3VUGA2K - Sifter amzn.to/3xkkopv
Testing Prototype Plaster Handle Molds!
zhlédnutí 549Před 2 měsíci
Sign up for Shape Cast: shapecastmolds.com In my last video, I made several prototype handle molds using a 3D printed form. They all had issues but 2 of them were not horrible. Here I test them to see if any other issues arise that I'll need to account for. And in the process I created 2 mugs with their very own slip cast handles!
Prototyping a slip cast handle mold
zhlédnutí 622Před 2 měsíci
Sign up for Shape Cast: shapecastmolds.com The one part molds from Shape Cast are great at making tumblers. But what about mugs? Here I am starting the development process for a handle to work with Shape Cast. So far it is: Plaster gods 6 v Pottery by Kent 0
Let the slip flow! Upgraded spigot for gravety fed slip
zhlédnutí 792Před 2 měsíci
I switched over to using a spigot to dispense slip and having a stand to raise and lower the bucket to just the right height: low for mixing and dumping slip out of the mold, and high for dispensing. This was working great until the slip stopped flowing! So it is time for a spigot with a much larger diamater! TOOLS and MATERIALS (affiliate) - Upgraded Spigot! amzn.to/3RjGNd0 - Motorcycle lift a...
Custom 3D Printed Mold for Plaster to Slip Cast a Bowl!
zhlédnutí 2,2KPřed 3 měsíci
Shape Cast: shapecastmolds.com Make a custom 3d printed mold for plaster for a slip cast bowl! I go from sketch and then draw a 2D profile in Inkscape of my bowl. I then use Shape Cast to create a design proof, and then 3D printed parts for a plaster mold. The mold is assembled and plaster is poured making a new custom mold for slip casting! TOOLS and MATERIALS (affiliate) - Calipers amzn.to/4d...
Idea to Sketch to 3D Print to Plaster Mold
zhlédnutí 1,5KPřed 3 měsíci
Shape Cast: shapecastmolds.com Want to go from an idea of a pot to a custom plaster slip casting mold? Here I walk through the process of starting with an idea, designing the profile, using Shape Cast to create 3D printable models for plaster, assembling the 3d printed mold, pouring plaster, and slip casting a pot in the new custom mold! TOOLS and MATERIALS (affiliate) - Calipers amzn.to/4dXKT4...
Impact of Wall Thickness on Pot Volume
zhlédnutí 904Před 3 měsíci
I started working on a new design using Shape Cast. I printed out the design proof and it looked good, but the volume seemed off! Is there a bug in the software? Or is it due to the estimated wall thickness of the final ceramic piece? It turns out the be the second and wall thickness can have a huge impact on the volume of your pot! Sign up for Shape Cast: shapecastmolds.com
Success? Slip Cast Holes using Wax Pins
zhlédnutí 945Před 3 měsíci
After a LOT of experimentation I finally found a process where I can place holes in my form while slip casting. The end goal is to make a rice grain effect lamp from my moon jar form. Using more traditional methods ended up chipping out the clay. Here I use wax rods as pins. The wax repeals most of the slip so when the slip is drained there is little left on the pin. Unfortunately the tolerance...
Home Made Wired Pins in my Plaster Mold
zhlédnutí 611Před 3 měsíci
I'm working on slip casting holes in my form so I can create a lamp. Carving the holes in hasn't worked with my clay body but I did a test using pins and that worked ok. Here I scale that up to 3mm holes using hobby wire for the pins. I also put wax on the pins in hopes that the slip wouldn't stick. Sign up for Shape Cast: shapecastmolds.com TOOLS & MATERIALS (affiliate) - Drill Bits amzn.to/3J...
Testing a hypothesis! Resist on Plaster Mold
zhlédnutí 469Před 4 měsíci
I've been trying to slip cast holes into my form so I can make a lamp. In a previous video, there were several suggestions for applying a resist to the plaster mold so it wouldn't absorb water in that spot. The idea was that preventing the plaster from absorbing water would create a hole. I was skeptical but wanted to test it out! And along the way another idea suggested turned out to be a poss...
From Solo to Studio - Class Projects & First Wheel thrown Pots!
zhlédnutí 473Před 5 měsíci
From Solo to Studio - Class Projects & First Wheel thrown Pots!
Can I slip cast holes for the Rice Grain effect directly into my pot?
zhlédnutí 505Před 5 měsíci
Can I slip cast holes for the Rice Grain effect directly into my pot?
Hypothesis Testing, Water and Homogenization. Oh My!
zhlédnutí 387Před 5 měsíci
Hypothesis Testing, Water and Homogenization. Oh My!
Rice Grain Glaze! Translucent glaze windows in ceramics
zhlédnutí 1,1KPřed 6 měsíci
Rice Grain Glaze! Translucent glaze windows in ceramics
Show and Tell - Pinch Pots and Raku from Pottery Class
zhlédnutí 319Před 6 měsíci
Show and Tell - Pinch Pots and Raku from Pottery Class
Spraying Glaze on my pots for the FIRST time with an Air Spray Gun
zhlédnutí 1,3KPřed 6 měsíci
Spraying Glaze on my pots for the FIRST time with an Air Spray Gun
Lots of Things in Flight! Quick Update
zhlédnutí 238Před 7 měsíci
Lots of Things in Flight! Quick Update
Custom Silicone Stamp - New Makers Mark for 2024
zhlédnutí 598Před 7 měsíci
Custom Silicone Stamp - New Makers Mark for 2024
That's a WRAP! Looking back at 2023 and into 2024
zhlédnutí 238Před 8 měsíci
That's a WRAP! Looking back at 2023 and into 2024
Ceramic Lamp from my Slip Cast Sphere
zhlédnutí 733Před 8 měsíci
Ceramic Lamp from my Slip Cast Sphere
Try printing the bowl upside down. If the inside does not matter. Have your supports fill up the inside.
That is the orientation it is printed in (in some of my videos you can see I don't even remove the supports). When you use Shape Cast, the parts are in that orientation already.
line the cottle boards with a plastic bag - guaranteed not to leak. An much easier to get a water tight seal than tape, clay, etc.
Interesting idea. I did that for a bit with my plate bucket - but it can get a tear that way so I stopped. And now, I much prefer my 3d printed molds!
Love all your videos, thanks for taking the time to share. I see some people use those pre-made keys. Have you ever used them?
I have not used them. I played around with 3D printing some, but they didn't work in the way I wanted. I'm still on the fence about having keys vs not having any - there are tradeoffs.
How to make black clay which has high adhesion and is suitable for sculptures and large works, and its color turns white after baking🙏
I'm not sure I understand your question. Here I add masons stain to get the color
White plaster meaning? white cement or Pop?
Pottery plaster
@@PotterybyKent thanks brother
Hey Kent, have you tried iron 3 oxide?
I have not. I havent dug into the impact the different chemistries have.
@@PotterybyKent Well I am now, will let you know how it went in 48 hours 😁
Sounds great!
@@PotterybyKent Black iron(3) oxide came out pinkish from electric kiln, experiment successfully failed.
Thanks for sharing!
Did you use John Britt firing schedule or just standard cone 6?
Since these are @oldforgecreation's glazes I've been using a modified version of his
Thank you so much
You're most welcome
Got added to the beta yesterday and almost done with my first assembly. Some things that could be cool features: 1) Printable gaskets for people that can print with TPU 2) less useful, but a printable removal plate instead of having to cut cardboard Thanks! This is a really cool project
Thanks and great!. TPU has been suggested but a lot of Shape Cast users can't print TPU so it hasn't been a high priority. I do want to revisit the flanges though. In line with the second, some people have also asked for an insert to go into the soft clay so it doesn't deform. Forms the right size for plaster mixing and displacement dip glazing also seem like possible accessories. But next up is more handles!
Hi Kent! First of all thank you so much for the info and wisdom regarding these processes. Truly appreciate that you have shared much experience with us. I have a question about the slip firing. What would be the temperature you reach with this type of slip? What is the ramp-up profile you use?
Happy to help and answer questions! It's basically the same answer as normal plastic clay used for throwing or hand building. It depends on your clay body. You can get low, medium or high fire casting slips. I use medium fire - Cone 5/6. The firing profile is impacted by your glaze as much as the clay body. So use a profile recommended by whoever makes your glaze. I use a fair number of @oldforgecreations glaze recipes and use the firing schedule similar to what he posted on glazy.
Dear Kent. Thank you for letting me at the Beta version of your program. I tried it and ı dont know why when I attached the file to 3d printers program it scales the model in to a huge one. Since the model has many peaces it is getting very difficult to scale it in to needed size. I am just learning how to use bamboolab. So when it comes to scale to needed size it becomes impossible :( ı send the line art in cm’s. What am I doing wrong?
Send me a email. It sounds like the scale of your SVG is wrong (wrong units). The 3D files should not be scaled at all - they will not print correctly if you scale them,
@@PotterybyKent yes, scaling does not work … So I will send the files as soon as possible. Thank you very much Kent!
This was extremely helpful! Is Shapecast still accepting new users?
It is indeed!
@@PotterybyKent I printed the larger tumbler with the 1 piece outter shell, rather than printing 4 pieces. Is there a way to remove the 3d print from the plaster? I got the middle piece out with the ice water alcohol combo, but I'm wondering if it would work if I heated up the outter part. I'm thinking a towel soaked in hot water? I totally forgot to add Murphy's wash on the inside.
That is exactly why the outer mold is multiple pieces. In early development I ended up cutting them off. I doubt hot water would do too much. And mold release really isn't needed since this isn't a plaster on plaster pour.
Hi Kent, your video is great. It's awesome. I have a question for you. What effect does mixing alcohol and water have on 3D printer resin? Thanks in advance for your answer.
I don't use resin based printers, but from what I understand they're actually washed in alcohol pre-curing so I'm guessing it is no issue. Otherwise I'd imagine it would do the same thing in terms of shrinking the part just a bit to help with release.
@@PotterybyKent Thank you for your answer. We are looking forward to your new videos. Good work.
I can vouch for hydrocal working quite well - my local pottery supply was out of pottery plaster so I picked up a couple of bags of it, and I've been using for most of my molds. As you said it soaks up water a bit slower, and probably takes a bit longer to dry, but it works really well. I'm thinking it may degrade slightly slower as well as we've got quite a few casts out of them so far and I'm not noticing any difference in the mold or the quality.
Yes,I'd imagine it would degrade slower due to the strength. I haven't actually tested the difference but that might be an interesting thing to do. Do the molds dry out as well? I'm guessing that might be another impact of the denser plaster.
@@PotterybyKent possibly a little slower to try, but I haven't tried to really push them either - I do 1 casting a day usually, and they are ready to go the next day - Granted I'm working in an insulated Metal workshop in North Carolina heat (but also high humidity)
Good to know. Thanks for sharing!
Can I use regular plaster?
Not without some issues. My video from this past weekend talks about this.
Awesome stuff, really enjoyed this guide :)
That's great to hear!
The one thing I have going right now is sleigh bells and cowbells. Both molds are straight forward and the casts are easy. But I think porcelain would make better bells for tonal quality, but I think that will be a tough challenge. I'll need to rework my kiln. But this is a good summary video and destined to be a reference. Thanks.
Thanks and good luck with your pieces!
7:26 could you put the moulds in the oven at 40-50 degree Celsius so that they dry out (as you do with desiccant) then you control the moisture in them well and there on less variable to play with.
Interesting idea (although it would take a big oven!) I have seen people place their molds in front of fans, and I have a small dehumidifier I run in the winter to help control ambient moisture.
i have a lot of hobbies that i am slowly dabbling in. i love the idea of using 3d printing to make a mold and i would love to try it. however i have *no* idea where i would have it fired.
Ask your local pottery supply store. Often they have firing services. Or check with a local pottery studio. And another option is to check out kilnshare.com where people will rent out their kilns.
@@PotterybyKentThank you!
@@PotterybyKent if I wanted to cast a mug that is very wide at the bottom then tapers a lot to the top, do to think that could be cast with the handle? Or in your experience would it be easier/ more reliable to cast the handle separately?
I have seen a few molds with integrated handles, but I think they can be problematic if not done right (and limit form options). By doing the handle separately you can avoid those issues.
Чувак, +1 в карму!!!
Your videos make me want to take up pottery and get a 3D printer. You are super at explaining the steps, and showing what didn’t work and why. Thanks!
It really is fun!
Perfect vid for a Saturday drinking coffee! thanks Ken! Do you mind sharing where you get your slip from or what type you use?
Glad you enjoyed it!
My slip is made by my local pottery shop, so sharing the details isn't all that useful. It's a cone 6 porcelain like clay body. I get it as a dry powder and mix it myself.
Hey Kent - any updates on how this has been working long term?
It's been working great, and by chance, I actually give a quick update on it in the video for tomorrow.
What percentage water are you using for his recipes? I've seen a lot about his recipes benefiting from being thicker. This is only my second time making and testing glazes, and I didn't get a lot of payoff of color on some, and others are opaque with not a lot of movement. I will definitely try to add more titanium!
I'm using 90 water:100 dry I believe as he recommends. And make sure they are mixed well. Recently I've been playing with his flux glaze which has a lot more movement to it. It's more glazing steps, but I'm going to try it more.
@PotterybyKent that's what I did as well. All of them I tested except rutile have barely any color. I'm wondering if I should use less water or try a second dip. I will also pay extra attention to mixing them.
It could be water, but in that case the glaze overall would be thin, not just the colorant. I guess another possible thing to check is the percentage of colorants. This varies by oxide/stain, but doing tests from 1% up to as much as 10% might be useful (a line test here can be good). And then double checking your measurements too perhaps.
If you print a pin or two in the cavity of the handle you might be able to remove it without having the pliers touchthe plaster edge (or its only me that would risk messing the edge up)
There's enough space to grab on without touching the plaster, but not a lot! I think there is some room for optimization here, but it is also good enough to make useful molds. I've had several other people successfully make them at this point which is always fun to see!
If you wanted the handle solid why did you drain it? Wouldn’t it be better to let all of it try?
Mostly because I was curious if it was solid at that point. Draining probably isn't required, but when it is demolded it is nice not to have very wet slip dripping off the end. (And you can't wait too ling otherwise it is too dry).
I love that you show what didn’t work and how your thought process looks like.
Thanks! For me figuring it out, why it isn't working and what the real problems are to solve are very much part of what I enjoy. And I'm glad others like following along as well!
Hi, kent please there's different between white ciment and plaster mold ? If yes please provide me the location link to get a plaster mold
Yes cement and potter plaster are very different. Ask your local pottery supply store about plaster
@@PotterybyKent thanks for your response Kent we love what you are doing
I would assume that bubbles having a longer way to the surface, a tall container is indeed worst at releasing air from the dough. Regarding the releasing of the inner cup, I reckon that filling it with hot water would make the plastic pop out nicely. Oh, and about the "not starting the reaction untill stirred", whenever I hear that I think that doesn't make much sense to me as the chemical process is the plaster with the water... oh... and from what I understand, the "half an hour" for the heating stage is not the stage itself (which by the table is roughly 10') but the total time elapsed since you set the whole reaction in motion-i.e. when the plaster takes the dive... but I digress and at length 😅 from what I was here to do in the first place but somehow was unable to leave my thoughts to myself: Thank you for putting the time to share this, some good vicarious empiricism to be put to good use ♥️
The timing and "starting" has something to do with the kinetic energy imparted by mixing from what I've gathered. I'm not sure about the details. As far as releasing, as you'll see in follow up videos, you actually want something very cold (not hot) so the PLA shrinks just a bit.
Try using a palm sander once your pour the mold on the outside of the mold
Thanks. I have
For what it's worth, another potter is blowing the horn for an outfit called SquareSpace, if you've not heard of it. Geared towards entrepreneurs I think. Just an FYI.
Yes that's an online store/website platform. My needs are much more involved to use something like that
Kent great vid. Thanks. After the piece is dried out completelly in bone phase how much time do I have until burn it? Can I leave the piece for like months in bone stage? I’m asking because I don’t have an oven yet but I want to start making ceramics. Thank you!
Yes they can be left bone dry for a long time. They're very fragile so easy to break but that's about all. You'd also probably want to keep the dust off but anything organic would burn off in the kiln
2:29 Allways, complicated things that come easily and quickly is all deception. Especially when drinking a beer on the porch lol. Love this channel ❤️ Keep up the great work! I hope nothing else comes easy and you make something great with your ideas. Its all about the challenges 💪
Also the relationship ended and the code seemed to last should be a Tshirt 😅😂😊
Thanks for following along in the journey!
5:18 I'm in the same growth bump with Jiu Jitsu. Community is great but nope. Not good enough and large enough to set up my own gym.. etc. I chose to get people close to me excited about how I do Jitsu and am making my own community. It is really rewarding
After finishing the video. I think your best shot is opening your own store 🎉 The main focus is selling your pots but also have a pott3ry class that sells items for people to help thier customs. Copy Sur Le Tables buisness platform . Im nobody though just an idea
Selling ceramics by itself (and associated classes) is likely an order of magnitude too small for my goals.
I'm a software engineer with an interest in casting statues. I found your channel a few months ago and, of course, subscribed. I saw you use Shape Cast at some point and liked very much what I saw. I didn't know it was you who created Shape Cast until just now. I'm impressed! Great job!!! I hope you'll be able to take where you want it!
Thanks a lot. Yes Shape Cast is mine!
This is more or less my same story. I think a lot of viewers have background in what this channel is doing. We are all really interested on actually how far it can go. Always fun to watch the new discoveries on this channel 🎉
I'm also into 3D printing and 3D modelling. I'm using FreeCAD, which is completely open-source and has a strong embedded Python engine/API. I'm pretty sure FreeCAD has crossed your path too. When I saw Shape Cast for the first time, my mind immediately went into automation and implementation mode and I was brainstorming of how this could be done through FreeCAD using Python. I don't know how you implemented Shape Cast, but I'm intrigued. The sky is the limit!
The current version is actually a combination of inkscape and blender. However the handles I did using freecad and the rewrite I alluded to is using it as well. It has some quirks but so far it's been going ok
Thanks!
Sure thing!
Great! Thanks!
You're welcome!
❤❤❤
Thanks!
Are these food safe ?
In general yes, but it depends on several factors. For any glaze, if you're concerned you should have it tested for your specific concerns.
Perhaps multiple deposits of the factory wax to build up their height would make actual holes. But that would be labor intensive to an extreme. It's a definite challenge.
It's tricky for sure!
Thanks Kent
Sure thing!
How long was the printing time and what supports did you use? such a joke;)) a very versatile ceramicist
The printing time is faster than with Shape Cast but the precision is way less! haha
2:55 the cups almost look like chickens 😊 I own 2 chicken cups from Jaq de Pepin the chef guys line. They are boss 😊
Cool! When I was making them several people were asking if they were pig mugs. Apparently those are a thing as well.
@@PotterybyKent lol ya I see the pigs also
A bit to small
Depends on your purpose. You can always get a bigger one but it was a great way for me to fire for a solid year
I like the stars in front of the mountain effect, feels like you're looking at a lil mountain town and a highway
Thanks! It's always great to see how everyone interprets different pots
This rules, I've been using Rhino for my forms. Any word from Bambu users on compatibility? What PLA are you using?
Thanks! I'm using a pla+ on my Bambu p1p. However it's not very particular as long as you can get decent prints
@@PotterybyKent nice! I’ve been using an x1c since January. Love it, had some weird hiccups but nothing too major. How’s the p1p?
I've really enjoyed it. Before that I had an original ender3 so it was a huge upgrade!
Awesome! I want to take a class too! Nice to see your work and evolution as a potter! Can you share how you selected your kiln and what you have?
Thanks! It takes a fair bit of effort to learn but is fun
@@PotterybyKent thank you Kent! I can imagine. I love slipcasting, but there’s a bit of snobbery in the potter community in my area about it. It seems like if you don’t build something on the wheel, you’re not considered a “real potter”. But, I don’t have the ways or the means right now to do anything other than slipcasting and I find it fun. I’m learning a lot about how clay works and how to glaze things.
I ignore the people who don't think slip casting is real pottery 😝. They clearly haven't tried. One of the advantages of learning to throw after knowing slip casting is exactly that. That you already know how clay works, glazing, etc. It let's you really focus on just the new part
Great stuff! Why not print the mold directly and cast the slip directly onto the 3d printed mold?
Thanks! Because the slip isn't absorbed into the 3d print. Pottery plaster does that and in turn forms the pot.
Can you teach us how to make a liquid clay mixture?
I have several videos on mixing up my slip.
How about using dry spaghetti or linguine and just leaving it in. Then when you fire it, the pasta could just be consumed by the heat. Kinda crazy but it might lead you in another direction.
I have seen (dry) beans mixed into throwing clay to leave cavities as they burn out. It's a very rough look! I think part of that is due to the amount the clay shrinks. I'm guessing the same issue would happen here - the clay still shrinks.
Amazing, do you sell your molds ?
Yes, I do. You can sign up to Shape Cast to make your own 3d prints, or feel free to reach out if you'd like something else. shapecastmolds.com