I've been combining recycled glass and pottery for nearly 20 years and it still surprises me to this day. Super fun videos you make! I'll be sure to share with others.. beautiful work!
Love your videos. I live a pretty lonely life and your videos put a bright spot in my day, plus I learn heaps. Thank you so much for sharing 😇🙏 And Rider is so cute🙏😇 Bless you all.
I live in Blowing Rock NC and have been a potter for nearly 20 years. Never thought about doing the coasters with broken glass! What a neat and beautiful idea! Thanks for sharing. Know what I'll try one of these days.
I can promise you that the different glass cracks in the glass are cause of the glaze you have in the base. If you know the ingredients in you glaze, you can easily do some research to find out which mineral/metal causes the effect and use it to your advantage. The bubbles can also be a effect of the glaze underneat and having a glaze with higher viscosity should cancel out the bubbles, all glazes/glass bubbels in the oven and the glazes viscosity determines if the bubbles stay undernearth the glaze or travels fast to the surface. A high alumina kaolin should increase the viscosity in the glaze.
It almost looks like a line forest instead of mountains on the vases you thought were less than perfect.. Maybe they wanted to be trees... Remarket them... Happy trees!
Hi I love the coasters :D I think the bubbles are there because of organic residue from the paper stuck on the bottle. Try using bottles without labels and wash them before putting them on your pieces.
I loved the coaster idea! May try this when I get better throwing. The ones with less cracks may be larger pieces of glass. I enjoy watching and learning. Thank you so much! P.s. Baby is really cute.
Coasters came out beautiful ❤️. My first time watching your videos. I subscribed to you. A suggestion: time to sand your shelves and re-kiln wash them. I had to do that with mine.
I love your glass coasters! I have done glass fusing...and just took up pottery. I love the idea of using glass with pottery....and while it has to be decorative, is there a way to add glass to the outside of a piece of pottery, after glazing but before firing?
I love these glass coasters!!! Have you tried using glass marbles. There are some that are colored or that have a swirl in the middle. I am so curious how glass marbles would look on coasters. I would love to see you try it in one of your videos!!! 😁
Hey Jon like the coasters. I had to go out and shop and make some myself ha ha. with you may want to put a longer soak at the end of the firing for bubbles.
I have sold antique glassware for years and my home is full of what I call misfits. They are hightly collectible pieces that have some nick or crack in them. But they are so beautiful that I keep them for myself. My question is can you repair chips and cracks by refiring them with glaze? Thanks for your time and I really enjoy your videos. Beth
I think you can draw some wooden motive in the non glaze part in your bowl... I think that is nice with the melting glaze part... But overall, thanks for the video 😄😄
Hi Jon! Your videos are all amazing, and I am learning so much from you. For some of your coasters where you have white glass in the middle and colored at the edge, how did you glaze them? I saw in your other video that you just dipped the whole thing. For those with the contrast, did you only glaze at the edge and left the center unglazed? It is fascinating how you get the blue shade. These are absolutely gorgeous!
I loved the green and blue coasters. As I am in Australia I am sure you would not mind if I made similar ones. I have some coloured glass squares ans I will break them up to go into the coaster. Thanks for the Idea and showing how to make them.
You might want to get yourself a frit maker. Its a small metal contraption where you can break your glass more consitently. I think the issuemwith your glass bubbles is becuase of the big variance in the size of the glass. Good luck!
Thanks Jon for a very interesting video! I had a thought! It was a shame the thick white glaze drips obscured your trees on the mugs! What if, you cut out several crude pine tree silhouettes using a thin slab of clay (like "cookie cutter"lok) & then overlap them a little & "score & slip them"onto your mug creating a slightly raised "stand" of trees? Would that have enough "depth" to "direct" any dripping glaze around the trees, rather than over the trees? Just a thought, might work if you could do a lighter application of that white glaze (or maybe water it down a little?) I've just discovered your videos,...so I hope you keep making more! I'm really enjoying them! Lou
These coasters are super beautiful, I just have a question now that I started taking an interest (a serious one haha) on pottery. .. Why would they not be food safe? Awesome job :)
Great videos! I'm going to have to try that coaster idea when I get my kiln. (Soon!) I'd love to know how you glazed those plates... was there something you did to get the grooves a different color, or is it just they way the glaze fired? Thanks!
Jon, you said you weren’t sure why the “white”glass didn’t have as many cracks... could it be because they had the larger pieces of glass on them? Just a thought. Also, we are learning to use a kiln just like yours, I noticed you put an empty shelf above your to plate...is this necessary? Or does it keep the heat even on all plates you are firing?
Hi! I'm hooked on how well you teach your techniques. I'm a novice, working with a teacher. She's concerned with fumes from the glass melting; reading concerns on a pottery site. Is that a concern?
Okay here is the deal... so fumes from glazing in general is not great for you. So you always want to have a way to vent the kilns when they are firing. I have a big industrial fan above mine that clears away all the fumes (it also looks really ugly in video backgrounds but ya know safety first) I also try not to be in the studio working when glazes are firing just to be safe. But venting the fumes is the answer!
Hey Jon! I threw some coasters and thought I'd try to let them air dry without bagging them. It was not too hot outside. When I popped them off (2 days later) they had cracking around the bottom. Drying too fast? Also, do you burnish your coaster bottoms?
Hmmm, sorry to hear that Michelle, I have not had any issues personally but here are some thoughts! Make sure that your clay is very well wedged. When throwing the coasters try really compressing the center with either a wood or metal rib, a sponge, or your hands. One of the keys to decreasing S cracks in the middle is compressing the clay between the bat/wheel and hands/tools. This is true for all plate/ flat bottom pieces. Another reason it could crack is because the base would be either too thin, or too thick . I would try to super compress the center and if your base is thin throw it a little thicker and if its really thick try to throw a little thinner. If it still happening then maybe drying slower? or just make sure that it is drying very evenly. Hope this helps! Good luck!
So I have been playing with glass in my pottery and I had a plate and the edges blew off and I did 3 little bird baths and one came out perfect but one blew up the edges too and one bubbled. So I am not sure why the edges blow up. Thoughts?
the clay or glaze will have a different C.O.E. from the glass so will be under stress when it cools to room temperature. this is why glass artists are obsessed with ensuring they don't mix glasses with different C.O.E. Unfortunately with recycled glass there is no way of telling what it is.
Hey John, Love the coasters, they look amazing! could you tell me why they aren't food safe? And how you could make them food safe? Also could you do the same idea in the bottom of mugs, bowls or plates?
Not food safe because the cracks in the glass aren't sealed, so technically you could get bits of food or liquid in cracks, creating cleanliness problems.
New to your channel!...Do you sell online anywhere? The coasters are so gorgeous, along with...well just about everything I’ve seen so far by you lol 🖤 💙
Bubbles in glass will likely be caused due to one of 2 reasons - trapped air when you put down a large piece, or a chemical reaction with the glaze. If it always happens with a particular glaze, you might want to consider firing those a little longer the first time round.
Hi, I took a shot on the coasters and the ones that made it are truely spectacular (if I may say so myself). However the majority didn't make it and I was wondering why... Maybe too much glass in it, I think they were about 0,5 cm high. What are your thoughts about it? Thanks!
Yes, make sure that the edges of the coaster are very gradual , not straight up, think 45 degree angle or less for the edge. Also could be too much glass, try using a less. I do both of those things and almost none of them break anymore.
@@Jonthepotter thanks for your speedy reply! I was just thinking if someone grab this coaster and doesn't know it's a coaster (it happens) I guess) and thought it's just a small plate, and would there be any safety issue when this is accidentally used for food 😛
Possibly but I don't think so, I use a lot of the red labeled glass and often there are no bubbles. I would guess that whatever the red is made of burns off at a pretty low temp.
paper is not the issue. Paper burns up at 230 °C, and that's a really low temp in ceramics. you can fire as low as 600°C but most potter don't go below 1,000 °C. some glazes, like gold, need's to be fired at 760 °C while highfire ceramics burns at 1200 °C or higher. My point is that paper is not the problem because the paper burns up early and the material, the paper ash, has no effect on the glaze/glass according to my experience.
That broken glass effect is so gorgeous it could be jewelry
The coasters look like geodes. So cool
I've been combining recycled glass and pottery for nearly 20 years and it still surprises me to this day. Super fun videos you make! I'll be sure to share with others.. beautiful work!
Love your videos. I live a pretty lonely life and your videos put a bright spot in my day, plus I learn heaps. Thank you so much for sharing 😇🙏 And Rider is so cute🙏😇 Bless you all.
I live in Blowing Rock NC and have been a potter for nearly 20 years. Never thought about doing the coasters with broken glass! What a neat and beautiful idea! Thanks for sharing. Know what I'll try one of these days.
I can promise you that the different glass cracks in the glass are cause of the glaze you have in the base. If you know the ingredients in you glaze, you can easily do some research to find out which mineral/metal causes the effect and use it to your advantage. The bubbles can also be a effect of the glaze underneat and having a glaze with higher viscosity should cancel out the bubbles, all glazes/glass bubbels in the oven and the glazes viscosity determines if the bubbles stay undernearth the glaze or travels fast to the surface. A high alumina kaolin should increase the viscosity in the glaze.
Thank you Jon. I had been looking for a video to see how to use the glass . 😊
The coasters look insanely beautiful. You did an amazing job!
It almost looks like a line forest instead of mountains on the vases you thought were less than perfect.. Maybe they wanted to be trees... Remarket them... Happy trees!
Learn something everyday from your videos!
I loved the coasters! The black glaze is amazing but honestly all the coasters are cool.
Thanks Sharon!
Yah!!! I loved everything ❣️. I do fused glass so the coasters were very interesting ❣️❣️
Ohhhh my! They are so beautiful 😍😍😍 and your son is just adorable 😍
Beautiful 💚💚💚😍👏👍✌️
Loved the glass coasters.
Hi I love the coasters :D
I think the bubbles are there because of organic residue from the paper stuck on the bottle. Try using bottles without labels and wash them before putting them on your pieces.
The white coasters are to die for!
I loved the coaster idea! May try this when I get better throwing. The ones with less cracks may be larger pieces of glass. I enjoy watching and learning. Thank you so much! P.s. Baby is really cute.
I love the coasters, all the different colors! So pretty 🥰
Coasters came out beautiful ❤️. My first time watching your videos. I subscribed to you. A suggestion: time to sand your shelves and re-kiln wash them. I had to do that with mine.
Love love love the coasters! I've played with broken glass in my pottery before. Gonna have to try these!
I love the coaster idea. I think I will incorporate it with my adv. ceramic students this fall! Great videos to watch
I have watched alot of your videos, enjoy them, I am a newbie, so I have learned alot, something new around each corner, great job,
You are so fun to learn from thanks for sharing. Now I know how to create broken glass coasters so cool! Dianne from Duluth
Thanks!
Can you use the little round glass globs that they sell for flower arranging? They come in so many colors. Love your work and RUclips videos.
I like the coasters they are really neat . A big and tall coffee cup would be cool in purple and black
It’s all beautiful coming I’m a kiln but it’s also wonderful to see lessons learned coming out of the kiln
Love the coasters! Your son is adorable too!!!
I love your glass coasters! I have done glass fusing...and just took up pottery. I love the idea of using glass with pottery....and while it has to be decorative, is there a way to add glass to the outside of a piece of pottery, after glazing but before firing?
I love these glass coasters!!! Have you tried using glass marbles. There are some that are colored or that have a swirl in the middle. I am so curious how glass marbles would look on coasters. I would love to see you try it in one of your videos!!! 😁
Hey Jon like the coasters. I had to go out and shop and make some myself ha ha. with you may want to put a longer soak at the end of the firing for bubbles.
That's a great idea I will try that, thanks!
I loved the coasters! Such a cool piece of art! Love your channel!
I loved the black coasters!! So pretty!
I have sold antique glassware for years and my home is full of what I call misfits. They are hightly collectible pieces that have some nick or crack in them. But they are so beautiful that I keep them for myself. My question is can you repair chips and cracks by refiring them with glaze? Thanks for your time and I really enjoy your videos. Beth
Nice work.
Wow so excited to find out the ones with bubbles can be re-fired, I have a pile I was getting ready to toss because of the bubbles!
I think you can draw some wooden motive in the non glaze part in your bowl... I think that is nice with the melting glaze part... But overall, thanks for the video 😄😄
Such beautiful work!
Hi Jon! Your videos are all amazing, and I am learning so much from you. For some of your coasters where you have white glass in the middle and colored at the edge, how did you glaze them? I saw in your other video that you just dipped the whole thing. For those with the contrast, did you only glaze at the edge and left the center unglazed? It is fascinating how you get the blue shade. These are absolutely gorgeous!
Olá Jon, excelente trabalho, simplesmente genial !!!
Anyone know if there is a video of him making & glazing those plates? That effect is gorgeous & I'd like to give it a shot
I loved the green and blue coasters. As I am in Australia I am sure you would not mind if I made similar ones. I have some coloured glass squares ans I will break them up to go into the coaster. Thanks for the Idea and showing how to make them.
You are welcome, good luck!
Hello from Wisconsin...Kiln opening are the best!
Thanks! It is so fun!
Sheree Pechin (
You might want to get yourself a frit maker. Its a small metal contraption where you can break your glass more consitently. I think the issuemwith your glass bubbles is becuase of the big variance in the size of the glass. Good luck!
Nice😊The bubbles can be from the paper
I love that blue purple coaster, so lovely.
Thanks Jon for a very interesting video! I had a thought! It was a shame the thick white glaze drips obscured your trees on the mugs!
What if, you cut out several crude pine tree silhouettes using a thin slab of clay (like "cookie cutter"lok) & then overlap them a little & "score & slip them"onto your mug creating a slightly raised "stand" of trees?
Would that have enough "depth" to "direct" any dripping glaze around the trees, rather than over the trees? Just a thought, might work if you could do a lighter application of that white glaze (or maybe water it down a little?)
I've just discovered your videos,...so I hope you keep making more! I'm really enjoying them! Lou
Love the coasters! Also such a good idea to have your son pick so cute!
Thanks Jenna!
Nice looking coasters😍😍
I'm definitely trying this.
Hi Jon, love your work! Have you considered waxing over the mountains/trees on your vases so the glaze drips don't stick on those areas?
I actually do wax them already, the glaze was just thick enough that it dripped over the waxed part! Thanks Anna!
Beautiful
Melting glass is so slick.
These coasters are super beautiful, I just have a question now that I started taking an interest (a serious one haha) on pottery. .. Why would they not be food safe? Awesome job :)
The coasters were my favorite!
Love the coasters! Can you use those glass marbles for aquariums and get the same crackly effect?
I can't say for sure, but I do believe it would work! I have heard of others using those!
A++++++++++++++ no mistakes in you're artwork. f-in awesome!!!!!
Thanks!
Beautiful plates
Love the Glass coasters, I must try that, but I'm not into coke so I'll try beer bottles. 😊
Great videos! I'm going to have to try that coaster idea when I get my kiln. (Soon!) I'd love to know how you glazed those plates... was there something you did to get the grooves a different color, or is it just they way the glaze fired? Thanks!
2 Glazes Layered on top of each other and that cool design happens when you have the swirl in there! Thanks!
Jon, you said you weren’t sure why the “white”glass didn’t have as many cracks... could it be because they had the larger pieces of glass on them? Just a thought.
Also, we are learning to use a kiln just like yours, I noticed you put an empty shelf above your to plate...is this necessary? Or does it keep the heat even on all plates you are firing?
The extra kiln shelf is for thermal mass. It slows down the cooling, so you get more consistent glazes....and fewer broken pots.
Just found this video. Such a cool idea! Have you tried using glass beads instead of broken glass?
Hi! I'm hooked on how well you teach your techniques. I'm a novice, working with a teacher. She's concerned with fumes from the glass melting; reading concerns on a pottery site. Is that a concern?
Ok...I used concern 3x🙄
Okay here is the deal... so fumes from glazing in general is not great for you. So you always want to have a way to vent the kilns when they are firing. I have a big industrial fan above mine that clears away all the fumes (it also looks really ugly in video backgrounds but ya know safety first) I also try not to be in the studio working when glazes are firing just to be safe. But venting the fumes is the answer!
Will stained glass work for this? I have tons of scraps so this would be a perfect use
I absolutely love your videos and learn a lot. Can you tell my what clay you are using please for the coasters.
Beautiful!
Love the videos! Just a tid bit of an fyi, we call it New “Orlins” and Nola is for New Orleans Louisiana😘
Hola si quemas el vidrio luego de hacer la pieza, a cono 14... se agrieta por la incompatibilidad con la cerámica... te amo y amo tu trabajos. Besos
New Orleans, LA. = N O L A 😊
Love your sons Qbert wall
Couldn't you pour clear glaze on top of the recycled glas coasters and glaze fire them a second time and that would make them (food) safe?
Do you know of a problem with the glass separating from the ceramic base at any time. Love your videos thank you for sharing.
I have not ever had that happen before, the glass always stays stuck to the clay!
My favorite were the coasters with the turquoise rim. I want those!
are the pieces of stained glass suitable for this? How to get streaks when painting with a brush ?
Love your videos. Recently went to a local pottery shop and glazed some pottery. I would like to know your website to place orders please.
Hey Jon! I threw some coasters and thought I'd try to let them air dry without bagging them. It was not too hot outside. When I popped them off (2 days later) they had cracking around the bottom. Drying too fast? Also, do you burnish your coaster bottoms?
Hmmm, sorry to hear that Michelle, I have not had any issues personally but here are some thoughts! Make sure that your clay is very well wedged. When throwing the coasters try really compressing the center with either a wood or metal rib, a sponge, or your hands. One of the keys to decreasing S cracks in the middle is compressing the clay between the bat/wheel and hands/tools. This is true for all plate/ flat bottom pieces. Another reason it could crack is because the base would be either too thin, or too thick .
I would try to super compress the center and if your base is thin throw it a little thicker and if its really thick try to throw a little thinner.
If it still happening then maybe drying slower? or just make sure that it is drying very evenly. Hope this helps! Good luck!
Wasn't an S crack - was on the outer edge (1/4" from the rim and going around but could still be compression. Thank you, Jon!
Michelle Bertok Hmmm make sure when you are done throwing, you remove all excess water, sometimes that can crack it.
Let me know if you figure it out, I hope you get some to work !!
I sure will! Stay tuned! I'm collecting glass! :D
what is the light green glaze on the mugs you pulled out ? i’ve been looking for a good light green glaze like that for awhile
So I have been playing with glass in my pottery and I had a plate and the edges blew off and I did 3 little bird baths and one came out perfect but one blew up the edges too and one bubbled. So I am not sure why the edges blow up. Thoughts?
the clay or glaze will have a different C.O.E. from the glass so will be under stress when it cools to room temperature. this is why glass artists are obsessed with ensuring they don't mix glasses with different C.O.E. Unfortunately with recycled glass there is no way of telling what it is.
Can you use colored ( brown, green or blue) glass as well???
the purple/pink broken glass coasters are sooo pretty, my fav
Like the wall colours on the kiddiesroom
Hey John, Love the coasters, they look amazing! could you tell me why they aren't food safe? And how you could make them food safe? Also could you do the same idea in the bottom of mugs, bowls or plates?
Not food safe because the cracks in the glass aren't sealed, so technically you could get bits of food or liquid in cracks, creating cleanliness problems.
I dont believe there is a way to make them food safe, just a decrotive finish only!
Thanks Jon, i'll have to make some coasters!
New to your channel!...Do you sell online anywhere? The coasters are so gorgeous, along with...well just about everything I’ve seen so far by you lol
🖤 💙
VERY COOL coasters! 😎❤️ What glaze is the deep blue? BEAUTIFUL!!!
That's a floating blue, when the glass is layed on top it becomes a really deep blue!
They remind me of swimming in Bora Bora
Bubbles in glass will likely be caused due to one of 2 reasons - trapped air when you put down a large piece, or a chemical reaction with the glaze. If it always happens with a particular glaze, you might want to consider firing those a little longer the first time round.
Hi, I took a shot on the coasters and the ones that made it are truely spectacular (if I may say so myself). However the majority didn't make it and I was wondering why... Maybe too much glass in it, I think they were about 0,5 cm high. What are your thoughts about it? Thanks!
Yes, make sure that the edges of the coaster are very gradual , not straight up, think 45 degree angle or less for the edge. Also could be too much glass, try using a less. I do both of those things and almost none of them break anymore.
@@Jonthepotter thank you, will try again today!
Do you think the labels have anything to do with the bubbles?
Great video. Is it the colour from the glass that creates the ring around the edge or a combination of glass and glaze? Thanks for sharing!
The coloring is all from the glaze, thanks Freddie!
Hii
Jon im from India
I like u r vedios ,
And im big fan of u ..
Thanks for this amazing vedio
Thank you!
Is the glass the coaster? Or is it the clay part? Or do you nest them?
Hi there, I know you mentioned that these aren't for food, have you ever experienced the little pieces of glass fall off from the coaster? Thank you!
I have never seen the glass fall off, the glaze does a pretty good job of adhering the glass and clay together.
@@Jonthepotter thanks for your speedy reply! I was just thinking if someone grab this coaster and doesn't know it's a coaster (it happens) I guess) and thought it's just a small plate, and would there be any safety issue when this is accidentally used for food 😛
Love your work! Do you have a website I can look at potentially buy some of your work? Thank you!
I do not right now but I am working on it!!
Could those bubbles be caused by the paper stuck on the broken glass when you broke the bottles?
Could the bubbles be caused by the pieces of glass with the red from the Coke logo?
Possibly but I don't think so, I use a lot of the red labeled glass and often there are no bubbles. I would guess that whatever the red is made of burns off at a pretty low temp.
paper is not the issue. Paper burns up at 230 °C, and that's a really low temp in ceramics. you can fire as low as 600°C but most potter don't go below 1,000 °C. some glazes, like gold, need's to be fired at 760 °C while highfire ceramics burns at 1200 °C or higher. My point is that paper is not the problem because the paper burns up early and the material, the paper ash, has no effect on the glaze/glass according to my experience.
@@emmaandersson7591 that's not paper but some sort of plastic I believe
I like the mug with only one big pine tree
Anthropologie has coasters like theses but they are square with no rim. You should check them out.
I like the bubbles
Can you use color glass like wine bottles
At what temp. it is fired ?