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Plaster Mold Making & Some Ceramics |
Babalu
Tiki Socialite
Joined: Nov 19, 2006
Posts: 2511
From: Lemon Grove
|  Posted: 2009-05-12 09:31 am Permalink
That's so cool NOTCH...I can't wait to see what new epic goodie you have come up with this time!
and thanks for the props, but really, I am a newbie to mold making as well...I only helped to documented the things that Sir B - Bowana (the man) showed me and a few others how to do. I don't know if you have seen Dave's new mold yet on his carving thread? He sculpted this on a spray paint can 
Go to - http://www.tikiroom.com/tikicentral/bb/viewtopic.php?mode=viewtopic&topic=22368&forum=7&start=420
[ This Message was edited by: Babalu 2009-05-12 09:31 ]
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mp
Tiki Socialite
Joined: Mar 12, 2009
Posts: 458
From: Nor Cal
| Posted: 2009-06-19 10:20 pm Permalink
Hey It's MP. I just wanted to give a shout out to Babalu, Bowana and everyone involved in the making of this
thread. I started really reading through TC about the time of Forbidden Islands Parking lot sale 3
and I started reading this thread. I did some casting in school and even have the fancy books, but
it was this thread that got me off my ass to cast a tiki mug. This guys name is Therm Tower and is
about 10" tall and very heavy. I think because of the indented corners it need thicker walls to hold its shape.
I leave the slip in about 1 hour then pour it out and leave it upside down overnight. These guys are heavy
but I dig'em. Right now I'm screwing around with glaze experiments for them. I will have a bunch of these
and a new cast tiki mug design at the artist alley. Thanks guys!
Therm is inspired by my favorite mug the "Suffering Bastard" or Mai Tai Joe
He's even got a little butt too!
Cheers, MP
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2012's "Royal Gaurd" by MP
[ This Message was edited by: mp 2013-05-22 01:35 ]
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pdrake
Tiki Socialite
Joined: Jan 13, 2006
Posts: 1769
From: las vegas
| Posted: 2009-06-19 10:49 pm Permalink
good for you. it takes a lot of effort and fortitude to do all that work yourself. (and pretty much for yourself.)
nice stuff man. PM me when you start selling.
CLAY ON WIT' YO' BAD SELF'!
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give of yourself. it's the most precious of all gifts.
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MadDogMike
Grand Member (8 years) 
Joined: Mar 30, 2008
Posts: 9021
From: The Anvil of the Sun
| Posted: 2009-06-20 10:32 am Permalink
Very cool MP. 5 HOURS POUR TIME!!!  They must be almost solid!
I tried something new with a mold, Master Squid and Master Bowana said it was legit, it might help someone on their next mold. Instead of adding an extra mold piece to make the concave "foot" at the bottom of the mug I tried something new (or at least new to me). I just made a 2 piece mold with a flat bottom. After the piece was pulled from the mold and still soft, I gently pushed the clay up to make the foot. Seems to have worked well.
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Cap'n Pharaoh
Grand Member (first year) 
Joined: May 07, 2009
Posts: 94
From: THE TASMAN SEA
| Posted: 2009-07-24 08:09 am Permalink
hope this is in an appropriate thread ...couldn't find a just glaze one.
Okay So I've dove in and have been doing some slip casting myself ..but the biggest problem I have is not with the casting but the... Glazing. I have a small kiln 10Amp 240 Volt that can regularly fire to 1060c or about cone 04. I cast using a comercial slip that fires cone 04
I have been using an underglaze and then a clear glaze that goes to cone 05. sometimes it's fine..but I seem to have a lot of issues with glaze shivering off .
Am I better off just glazing and not screwing around with the underglazes?
I have been using all commercial glazes and slips (not home mixed) from a company here in Australia called Keane ceramics.
Any tips would be appreciated.
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PREPARE TO BE BOARDED!
CAP'N PHARAOH
[ This Message was edited by: Cap'n Pharaoh 2009-07-24 08:34 ]
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MadDogMike
Grand Member (8 years)
Joined: Mar 30, 2008
Posts: 9021
From: The Anvil of the Sun
| Posted: 2009-07-24 4:30 pm Permalink
I'm no expert and you may have already tried these but here's some suggestions:
Get some witness cones to be sure you are firing to the desired cone.
Be sure the bisqued ceramic is clean when you glaze it, no dust, oil, fingerprints etc. Same with the brushes.
It's possible that your underglaze and clear glaze are not compatible, especially if they are not the same brand.
Too thick of a layer of ungerglaze will cause crawling, try thinning the underglaze with water or using less coats.
Seems like the glazing is the most troublesome aspect of ceramics. I have been using mostly Duncan glazes with a few Maycos. The only problem I had was shivering when I mixed low-fire and high fire clays.
Maybe someone else will chime in with some more good ideas
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danlovestikis
Grand Member (8 years)
Joined: Jun 17, 2002
Posts: 7309 | Posted: 2010-06-24 4:37 pm Permalink
I just read every word of this thread. Thank you to everyone who contributed, I needed this! Wendy
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ashman_atl
Tiki Centralite
Joined: Feb 23, 2010
Posts: 79
From: Atlanta, GA
| Posted: 2010-06-24 6:56 pm Permalink
Just "discovered" this thread (there is SO MUCH cool stuff/info here on TC!) and what an inspiration! I don't know that I'll end up doing my own ceramics, but if/when I do, I'm keeping this thread bookmarked so the expert know-how will be a click away. Keep up the great work!
Mahalo!
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Woodtiki
Tiki Socialite
Joined: May 20, 2013
Posts: 123
From: Oakland,CA
| Posted: 2013-05-22 01:08 am Permalink
Looks like I'm 3 years late to this, but I'm just getting into making mugs and will be trying it out for myself soon. I've been making tiki's with sculpey and making molds for casting resin sculptures. Lots of fun, but I'm ready for the real deal now, a mug. This thread has been incredible, as well as some threads by Wendy Cevola. Thank you all so much for sharing!! So inspiring and some really great work on here!
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