Mmplin 1 Posted March 23, 2020 Report Share Posted March 23, 2020 Hi all, I saw this finish a while back and would love to do similar on a mug for my daughter. Does anyone know how this organic looking polka-dot finish would be done? Looks like it might be wax resist but I'm not sure how the beige rings around the blue were done! Any help is greatly appreciated, thank you :~) Quote Link to post Share on other sites
Pres 2,398 Posted March 23, 2020 Report Share Posted March 23, 2020 Some form of crystaline glaze. Commercial versions use colored crystals in the glaze. I would think that this may be that, and that the glaze runs a lot as you can see from it being fired upside down. and the dripping. However it may be a glaze fired to develop its own crystals. These often take very precise firings with stages of hold where the crystals grow. For one trying to make one pot in that manner is and effort in futility, but for one absorbed in process treasures to behold. best, Pres Mmplin 1 Quote Link to post Share on other sites
liambesaw 2,766 Posted March 23, 2020 Report Share Posted March 23, 2020 Kind of looks like maybe a magnesium cobalt glaze that has had a clear glaze dripped on top forcing the cobalt to go back to blue. I don't see anything in the way of crystals there tinbucket, Mmplin and Rae Reich 3 Quote Link to post Share on other sites
Babs 1,206 Posted March 23, 2020 Report Share Posted March 23, 2020 Some sort of resist applied on blue slip prir to the glaze...or dripped onto glaze peior to firing. The image where the drip extends to the white foot of pot is interesting....no colour....no blue slip? Mmplin 1 Quote Link to post Share on other sites
neilestrick 4,608 Posted March 24, 2020 Report Share Posted March 24, 2020 It can be as simple as putting dots of one glaze on top of another glaze and letting them run. I used to do a lot of that type of decoration. If the dots don't run as much as you'd like, then you can do a double dip of two glazes you know will run, and put the dots on top of that. I used to do a double dip and 3 or 4 different colors of dots, letting them all run and bleed together. Rae Reich, Callie Beller Diesel and Mmplin 3 Quote Link to post Share on other sites
oldlady 2,807 Posted March 24, 2020 Report Share Posted March 24, 2020 whatever it is there is no beige applied. that "color" is a reaction of the bottom glaze to the dropping of another color on top. it is repelling the second glaze. if you drop oil into water it causes a similar reaction but without color. Rae Reich and Mmplin 2 Quote Link to post Share on other sites
liambesaw 2,766 Posted March 24, 2020 Report Share Posted March 24, 2020 Another theory is it could be a chrome-tin pink with cobalt glaze making it purple, and where there is blue is where a zinc based clear is used. Zinc causes the chrome to go clearish brown which is where you see the Halo. I guess what we are saying is there are many ways to skin a cat, and any of them may work. Mmplin and Rae Reich 2 Quote Link to post Share on other sites
neilestrick 4,608 Posted March 24, 2020 Report Share Posted March 24, 2020 Here's an example of something similar. This has two glazes on the whole thing, and dots of a third glaze. It just takes a lot of experimentation to figure out how the glazes will behave when layered. Mmplin, Babs, Callie Beller Diesel and 1 other 4 Quote Link to post Share on other sites
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