How to Make RECYCLED GLASS Coasters!
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- Опубліковано 29 сер 2024
- Making ceramic and pottery glass coasters from all recycled clear glass. In this video we go through the entire process of throwing the coasters, to glazing the coasters, to breaking up the glass into pieces to finally laying all the pieces in and putting them into the kiln to fire them.
You won't find any cooler coasters than these, as the glaze underneath shines through the crystal looking glass to have a gorgeous finished piece.
PLEASE BE AWARE : Pieces of glass are sharp and can cut you. Do NOT attempt this project without gloves, experience working with glass and pottery material, and adult supervision.
We are not responsible for anyone trying to do this project, try it out at your own risk!
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I am a retired pottery instructor. Many of my students wanted to add glass to very shallow bowls, similar to what you are doing. They wanted them for jewelry trays. Since the glass left little raised edges that would cause cuts, I had them add a thin layer of resin to deal the surface. Worked great!
Another disclaimer for everyone’s benefit, particularly for Jon...wear safety glasses when breaking the glass. Surprised by how little glass is actually needed. Jon, love your videos! Keep ‘em coming!
Yes safety glasses would be smart!
Wear gloves and use a leather bag.
Square coasters are like square pizza boxes for circle pizzas that we cut into triangles.
Ha ha ha
Lmao
Alicia Johnson now I want circular slices.
The simple the more applicable ...😊
Came for pottery, stayed for personality!
Same here, same here :).
Square coasters? No waste. One big sheet. Cut down, then across.
Not saying that square is better, or more artistic than round coasters. Just sayin, I believe, cheaper to manufacture.
By the way, I enjoyed the fideo.
sounds about right.
Clay can be recycled so there wouldn't be any waste. Also, firing the glass is safer if you have a bit of a rim to prevent glass melting over onto the kiln shelf. So the slabs would still need extra work beyond cutting. Slabs also tend to warp unless you carefully compress/flip them or use a very groggy clay body. I'd be able to whip up a bunch of these on the wheel way faster than I could from a slab, honestly. If you really wanna manufacture cheaply, you'd make a bunch of molds of any shape you want and cast them.
Dude your energy is intoxicating 😄 I wanna go make stuff just watching you make stuff. Giving me the artist itch man!
Your bare hands and glass gave me emense anxiety
Due to the amount of comments about that, I ordered some gloves :)
I work with glass all of the time. You do not need gloves. Your fingers are very sensitive, so you will feel it if you are grabbing a point. I work with broken, scrap glass like this without gloves and have only once poked a fingertip. (That was because I grabbed without looking!) Calm your IMMENSE anxiety. A little cut on your finger is the least of your worries. I'd worry more about the fact that he's breaking the bottles without safety glasses. THAT can send you to the ER. (With a sliver in your eye.)
I was always thinking about my future life, piano, pottery, relax garden and tea, you make it looks like it is possible!!!!(but I need a big money first, haha)
Yes I suffered anxiety to. Glad you got gloves. Wish I could do something like apprenticeship with someone like you to get started cause I would love to do this. I currently play around with polymer clay which is very different
I’d say it’s more efficient for production. If it’s not molded, but just mass produced as a sheet and then cut (from materials like silicone) then there would be less scrap. Or like wood. My dad makes wood coasters. He does squares because he uses good wood and doesn’t want to waste the materials(:
I love how Minnesotan you are, it’s so nice hearing someone from the same place as me in a video!
Nice! where are you from?
Thanks now I’m buying a kiln.
I'm happy you made it in different colors, my friend!👍
I make chandeliers, wind chimes, Mobiles, and different things out of glass I find in creeks, and lakes. It kinda pains me to see such little precautions used. I use gloves, googles and long sleeved shirts always when working with glass. Another precaution is I pick up the glass when it’s freshly broken with pliers because you don’t know how sharp the glass will be.
And the bike with no helmet. Way too uncomfortable to watch any more.
I should where a helmet, yes, although I take all back ways to Mocha Monkey, I am not on busy roads at all.
Orrr you can just trust yourself and not be a little bitch, I pick up glass with no gloves or "safety precautions " . Lifes all about taking risks
Scooping with a measuring cup works too
Safety's overrated
Such a great video thanks. I’ve searched for fb groups doing this and someone recommended you. Wow such energy and inspiration to go out of my comfort zone.
You are a generous artist! I love this project. Your joyful energy is super cool. Thanks for sharing
All potters are hot asf why
Thank you 😂
Agreed👍
To accommodate most sizes ...no borders so ..the xtra can float above surface round with edge will limit the balance of things ..😊
Hi, at what temperature do you fire when you use the glass? Do you do it with bowls too or does it go funny between the bottom and the edges if it's not completely flat? Thanks!!
A circle coaster is a saucer... right? 😵
You even can hand build round coasters too!! 👍👍🙂🙂
This is an amazing project...And I'm on my way to make a metalsmith's equivalent! :D
Metalsmith? Sounds cool! You should post some videos of your work. :)
Perfect gift for my Airbnb guests!
ahhhhh when you picked up glass with hand, but that's pretty. We had pottery class in preschool, and it's so funny cause I grew up with this belief that the clay just get random color once you baked them. Since every class I make something, teacher takes them, and when they come back they all have this glossy finish and random color. One time I got upset cause the color didn't match the eye on the animal or something.
You can also use marbles for this
I love watching your videos. Thank you for making them. lovin the coasters - from Australia
Thanks !
Have any of you tried this with broken marbles?
I have heard of it being done with marbles!
@@Jonthepotter I want to try it, but I have to wait until I'm not using the communal studio kiln. Love your videos!
I dont know if this is too late but It works really well with Marbles :D
@@welsenwelsen1095 Broken or whole marbles?
@@RobinAlanaBerry I used both
You are so talented, cool and bright. I love watching your videos😍❤️
Thanks so much for your videos .
I love your works and style of your videos.
It's totally inspiring! All the best!
Thanks you!
so many good tips, John, and glass and pottery always look great.
Okay, let me say this since I see the comments contain so many people throwing a fit about him not wearing gloves and long sleeves and some sort of magic glass proof suit. Your fingertips are very sensitive. You will know if you are grabbing a pointed corner or sharp edge. The biggest risk he is taking is not wearing safety goggles when he is smashing the bottles. Even though they are inside of a plastic bag, a sliver/chip could fly out and on a slim chance hit the eye. Better to be safe than sorry. However, people, myself included, work daily with sharp glass and it doesn't jump up and attack us. Chill. And, before you jump my case telling me that you know more about it than I do, I will tell you that I've worked YEARS (as in 15 plus) with broken glass and had 1, count that again, 1 cut. (And that was from grabbing glass from my stash without looking. I know, stupid move.)
What a wonderful idea!!!!!
Two questions:
1. When you dip using tongs, how do you cover the tong marks with glaze?
2. When you leave the red Coca Cola paint on the glass, why isn't there an issue?? Does it just melt and vape off, pigment and all??
dip the tongs in the glaze before gripping the pottery
I had the same question about the label.. maybe that's what's causing the bubbles too?
OHHHH SO GLAD I found this! thank yoU!
Thank you for answering my questions, and sharing all your talent.
Absolutely!
I don't even have a pottery wheel but I've been here since yesterday
Nikkie Gargi he’s the reason I’m now looking for a wheel lol
For best results, don't mix recycled glass types. You don't know the individual COE's, so it will likely be instable.
All good, but the interim music is too loud!
I live in a city with many wineries and wine tasting rooms. This was a GREAT video. Sure wish I could connect him with all the green and blue wine bottles.aftershock Thomas.
I love your work and would love you to see what you are doing lol PLEASE wear safety glasses next time you break glass from your First Aid Instructor Fan h ha
Love how dirty your processes are 🔥
Good Question! Very sweet
Such a creative idea for recycling glass and so entertaining on top of that! XD Thank you!
To Make the coasters food safe you can coat them with food safe epoxy resin which had a glass effect anyway. You wou apply the resin after the coaster is complete. (just a suggestion if you wanted to make any other projects with Glass but in order to do so you would need them to be food safe) I an not entirely sure if the item would be dishwasher safe
When you use the tongs to hold while glazing, how does the glaze get under? Why doesn't it leave two spots?
Glaze like that tends to spread a little during firing. So long as you don’t leave a pointy spot, you should be fine.
If you dip the tongs in glaze before picking up the piece, you won't get spots/
Glass comes in different COEs coefficients of expansion.. most fusing glass is either 90 or 96.. and you only fuse together glasses with the same COE. or they will have too much stress between them and eventually crack. I know clays and glazes have COEs also but I’m not sure what they are. If you knew you could possibly put glass glaze and clay together that are compatible. Then the glass wouldn’t crack.
What do you use/how do you wax resist?
I'm going to do this for a birdbath I'm making. But first need to test it in a coaster so I don't ruin my birdbath.
Several important safety issues seem to be overlooked here. Obvious is the need for safety glasses. Lacerated corneas are no fun, and loss of vision is a terrible thing. If you're doing instructional videos, please be mindful that you have a certain responsibility to inform people of the risks they take in copying you. Gloves. Again with the thing. Not sexy to bleed during your video. I suggest leather or heavy rubberized, but please use something. Even more important. Ceramic glaze is a health hazard until it's fired. Powdered glaze becomes airborn and causes lung damage or silicosis. This damage is permanent. Use a mask or better yet a respirator. Buy disposable gloves, and get obsessive compulsive about washing your hands. Glazing is messy, mop the floor after each glazing session. That dried glaze becomes dust. I've left out the chemical issues with certain metallic oxides, which are often poisonous. Gloves goggles and masks. The risks are real.
Does this work with any glass?
Hi John. You say in the video that the melted glass isn't food safe. Why is that? The glass comes from coke bottles, which should be food safe (one hopes). Does something happen in the kiln to make it unsafe?
It's not the glass. It's the thin cracks between the glass that can trap tiny food particles that can foster bacterial growth
Could you perhaps layer some clear resin on top after it's fired to fill those cracks?
To make it food safe?
It's not likely the clear resin could withstand the long term impact of cutlery; particularly knives. Thereby landing you where you started with the network of cracks compromising the surface.
Hsin Chen Lin (YT channel) applies ink to a crackle glaze to pronounce the network of cracks, but it is for appearance only, and not a food safe surface.
You could fire a clear stable glaze on top of the glass, but will have difficulty applying the clear glaze to the already fired first glaze (the glaze with the glass shown here). Supposedly, it's doable, but challenging, and more costly.
I believe Williams Sonoma sells a line of dinnerware utilizing that second glaze technique. Of course, they just buy the pots from the manufacture who have glaze scientists on staff who have a whole host of equipment at their disposal.
I believe it best to have the glass technique reserved for non food serving pots, but that's just my opinion.
I know that I would not eat off of the glaze shown here, a crackle glaze, or a crystalline glaze. All of those glazes have the same spider web network of thin cracks caused by expansion/contraction of a poor glaze/clay body fit.
To me, it's not worth the risk. It is only breakfast/lunch/dinner or a midnight snack; after all.
If you are the producer/seller, you will want to be sure to have product liability insurance.
The glass can also break off into the food if it's getting heat/cold shocked with food.
I would suggest doing a second firing with a clear glaze over the glass. that might cause complications with the glass remelting or the way it would be worth a shot
Anyone know where the second part of this is? Does it have a second part? UA-cam doesn't recommend it and search just shows older videos and this one.
This is so cool! can't wait to try this technique!
Ooooh! They are so pretty!😍
Hey have you ever thought about dipping the coasters in resin after baking them. They have art resin which is super easy to work with and I believe would make it food safe.. beauuuuutiful work!!! Great job man!!!
everytime you dip something in the glaze my mind thinks it looks sweet and tasty. like cake icing or something 🤣
Hey it would be really neat if you invented the square mug for square coasters.
FYI: The reason why they are square is because they are the original design of Dock6 Pottery, and they made theirs square so they could produce more at a time for their Anthropologie contract.
Any issues with the COE of the different bottles? I assume the labels just burn up.
Hey John, Great recycling idea. I heard you say, ' old glass'. Does it have to be old glass? or can I use colored wine bottles and anything else that people are throwing out their car windows on my street? 🙄☺
Could you make jewellery from this? Thinking of doing it for my art course
This would work great for jewelry!!
I am wondering if you would be willing to do a little video about making pendants using this technique. It would be awesome to hear what you have to say about it. I'm just getting ready to dive into pendant and bead making with my new jewelry kiln.@@Jonthepotter
Can someone tell me what kind of glass you can use for this?!? He said old glass but how old and how do you know if it’s old?!?
Making coasters from glass or slate, etc., is a lot quicker and easier if you cut them square.
Dante recommended you. I like your info
Hey! You gotta shout out from EarthNation Ceramics, one of my favorite potters I follow. He made glass coasters and showed them in his kiln opening #9. Figured I'd let you know 🤗
Thanks ! I saw that, so fun!
Coasters love them!
Jon, I love this idea. However, when I try to make these, I have breakage on the sides of the coasters. Sometimes both sides of the coaster will break off in the final glaze firing. Do you have these issues? What suggestions do you have to help? Thank you so much.
I have had these issues and there are two things that I think causes the issues. One, putting too much glass inside the coaster can break it. The other is when the rim of the coaster is too vertical, like if you throw the edge straight up that will cause cracking. Tapering the edges or having them more gradual will give the glass room to melt into it. The issues are cause by different shrinkage rates so if you think about the the clay shrinking around the glass which doesn't shrink at the same rate just think about the glass not being constricted by anything that might crack around it. Hope that makes sense!
Aloha Jon, I use my raku kil to heat my recycled glass to 900 degrees, and quench in a bucket of water. It breaks up so easy.
Great idea!
Hey Jon, hello from North Carolina...I LOVE your videos. I'm fairly new to pottery and am excited to start making these glass coasters. Question: do you ever use a "biscuit" to set your pieces on to glaze kiln?
Just a thought for the "square" coasters...I watched a "How It's Made" program last night and one German manufacturer makes paper pulp from wood logs, then they have a machine press and cutter that forms, prints & cuts the paper coasters you see at your local restaurant/bar. Said they've been making them for years that way...the squares don't waste the material like round ones would...doesn't make sense to me since they recycle the paper. Anyway, just thought I'd mention it. Have a great day and THANK YOU for your wonderful videos.
Thanks !! I don't use biscuits but I know potters who do and swear by them! Good luck with the coasters, let me know how it goes !
Your ideas are amazing
Pretty sure Im going to hand-build some square cups because if this video! lols
Lol ! That is a great idea! Match all the square coasters out there
Are you gonna post a video? Because I want to see that.
Hi Jon what was your cone setting, the glass and pottery is an awesome mix but was never sure about the setting.
“Cups are circle.”
Ded
We use square coasters on a little square coffee table to almost cover the complete top of it. Works well but unfortunately today I set my coffee on the table and missed the edge so that is the difficulty. Excuse me as I need to go clean my carpet....
The Peter Mckinnon of Pottery 😱
i've tried this and the glass was still sharp after firing at cone 6. pretty but pretty sharp too. i was going to use resin but finding one that can handle heat without sticking is tough.
Really cool idea. Great video
Could I use recycled wine bottle glass? :D
beginner here, sorry for a dumb question. You dipped the coasters in glaze and fired them flat, or so it appears. Did you do something to prevent the glaze from adhering to the kiln?
I am thinking your wife would appreciate if you would protect your beautiful eyes by wearing safety glasses when breaking glass. Thanks for all of the great videos!
Square coasters = less waste when cutting out of sheet material ?
I enjoyed you video. Do you have special light bulbs in your space? It looked like skylights to me at first glance! Great job!
Since the glass itself was food safe, what is it about this that makes mixing pottery and glass not food safe? Food safe glazes? Couldn't you do this larger as plates with the recycled glass?
Wonderful 👌 work . thanks for sharing
Do you stilt in the kiln or wax the bottom? I noticed you just barley wiping the bottom...
I am so excited! this is great! Just a couple of novice questions....do you fire the coasters first? The glazed coasters?
So I was sent here to say Gang Gang...dont know why but there it is!
I believe coasters are square because its related to cost reduction as by cutting circles there is alot of waste
How round do you make your coasters? I so enjoy you and your videos, learning so much from you. Other question do you run your glazes through a sieve. Thanks. gigi
My coasters are 4 to 5 inches in diameter, I run my glazes through s sieve about once a year or once every two years, when they get really low.... so not very often!
You remind me of Jonathan Van Ness in the best way.
It looks like you glazed all sides of the coasters, but you didn’t put each coaster on a stilt in the kiln. Why won’t they stick to the kiln shelves?
can i use this for an ash tray? is it washable? will i get glass in the joint if i put it out on the glass?
Hi Jon love your videos! Wanted to ask you fire to cone 6 on medium speed and if you do any hold or any special cool? Thanks!
Hey Jon - love your videos - thanks for sharing your studio with us. I love how your videos are like little mini how-to's - my question is, if I make coasters - like the ones in your video, not with the same glaze, but same shape, technique etc. - and then I sell them at a pottery show, is that crossing some sort of creative line of plagiarism or copyright? Like if I really dig the shape of your mugs, and I want to make mugs with that shape, or that idea, is that stealing? Could you do a video talking about that - when is it inspiration and when is it just plain theft?
Hi how are you ? I'm Andrea from Argentina, and I love your videos !! I would like to know at temperature you cook recycled glass?
Love these!!! I would use as a ring holder on my dresser😉😉
Hi, Jon. These are fabulous! I am wondering if the reason the glass delivers such great cracks is because of the type of glass used, the presence of glaze, no anneal or the firing temp? Also, since these are really a pottery fire as opposed to a glass fire, do you bother with an annealing segment in your firing process?
Do you wax the bottoms of the coasters
Yes!
What wax do you use?
The things you use to hold the coaster when you put it in the glase doesn’t that make two holes
The glaze melts pretty well into the holes and covers them!
What’s the température of the oven ?
7:10 I couldn't help but worry about splinters.
Hi Jon Do you switch up your ramp schedule at all to accomodate the glass?