An array of videos featuring molding, casting & sculpting.
Using materials such as concrete, resin, fibreglass, latex, silicone and more to create molds and casts. Using clay and other materials to sculpt pieces/models in view to make molds and to cast reproductions.
all the plaster of paris i have used has a 2 plaster to one water ratio, never seen a 1 to 1 ratio, in fact i have created a mixture by mistake that was 1 water to 1.5 plaster that created nightmare castings that were so soft that it took weeks to dry and was subject to crumbling under slight pressure, in fact the hundreds of castings of POP using the 2 to 1 ratio mix i have never seen the results crack, when using the POP 2 to 1 ratio is not needed to be exact just heed the wetter the mixture the less strength of the casting has
Excellent job! And also a relief that I've discovered this plaster. Reason being, when travel ling abroad by plane I'm always a tad apprehensive that a liquid plastic casting agent (the two bottles that one mixes) might be confiscated - liquids and all that stuff.
Yes! It would be almost impossible to try and split the mould if it was a two piece. I made a two piece mould with a simple skull model a while back and was a nightmare to break free. If in doubt with a two-piece, I would always make a 3-piece, or multi-piece mould.
I’m trying to find that same hands design mold , but in a tiny size; 2” max length, and 11/4” width, 1/2” height. Are you aware of a mold this small ? Thank you.
What molding material do you use and where do you get them? I seen other videos with concrete and things where they use a sander as a vibrator to help get the air bubbles out I don’t know if it would work for something like this
Great video. Just wondering, can this be bisque fired and glazed afterwards? Can't seem to find anything online about dental stones and their compatibility with ceramic glazes/withstanding heat (approx. 1300C in a kiln). If you've got any knowledge on this that would be great, thanks :)
dish soap is a air entrainer add mix with a moderate effect on workability as well. air entrainment wile indeed decreasing the strength of concrete it also increses freeze thaw durability of concrete
So, no need to reinforce slab with rebars or mesh? I recall my father doing this over 50 years ago. Love that table to remove bubbles and help settle the mixture. Thank you for sharing.
Great job, gave me some ideas on a piece I'm working on now. Just joined your Pro Boards Forum, noticed that there hasn't been too much activity on there in a while. Was hoping to get some advise and learn from others. I'll keep on checking back to see if anyone new posts. Thanks!!
hi. as you know, When we want to make a silicone mold, we usually use silicone spray on the original model so that the silicone does not stick to the original model and can be easily removed. For latex, I don't know what I should use and apply on original model? we have to apply material on original model before start creating mold? thanks alot for your help.
