Home Made Wired Pins in my Plaster Mold

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I'm working on slip casting holes in my form so I can create a lamp. Carving the holes in hasn't worked with my clay body but I did a test using pins and that worked ok. Here I scale that up to 3mm holes using hobby wire for the pins. I also put wax on the pins in hopes that the slip wouldn't stick.
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Опубликовано:

10 май 2024

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Комментарии : 21

@debbiesandham 2 месяца назад

Thank you for posting your progress

@PotterybyKent 2 месяца назад

Thanks for following along!

@flyn-o 2 месяца назад

You might try 1/8" or 3mm PTFE (Teflon) plastic rod and see if you can skip the wax entirely while getting the same hydrophobic effect. Otherwise, rain-x applied to smooth nails, dowels, etc. could be worth trying as long as it wouldn't foul any of the nearby surfaces.

@PotterybyKent 2 месяца назад

A PTFE rod would seem like a great option! Thanks for the suggestion!

@corwinmakes 2 месяца назад

It might be worth 3d printing some dowels instead of using metal pins. The textured surface of the printed dowels might allow for the wax to better adhere to them.

@PotterybyKent 2 месяца назад

That's an interesting thought. I guess it could also be modeled with extra texture if needed. My intuition is the final waxed surface should be smooth, but maybe if the wax is doing the right thing that wouldn't be needed?

@cf_spacetime 2 месяца назад

What about pushing through than pulling out? So that the excess slip goes with the pin, than pulled back towards the hole and sticking? Only thing then is you need like a basket to collect all the pushed in pins at the end. This is entirely just a guess though.

@PotterybyKent 2 месяца назад

For a different form, I think that could work. But I can't pull them from the inside of my sphere form since I can't reach inside. If I pushed them and they fell inside they'd likely leave marks where they touch the very soft clay.

@pedrobalduci7754 2 месяца назад

i imagine that a wooden pin would work better due to water absorption

@PotterybyKent 2 месяца назад

Wood would like absorb the wax better. It would need to be fully coated though since if it absorbed water from the slip it would have the opposite effect than desired.

@musicrupert 2 месяца назад

why not leave the pins longer? its still runny when you take them out.... not sure if this was in another video or not

@PotterybyKent 2 месяца назад

It was one of the first things I tested, but it could be worth revisiting now that I am using the wax. The thought is by pulling them quickly, then the slip still has a chance to flow down and away. If I wait, any slip still on the pin will be deposited on the edge of the hole when I pull them out (which is what happened the first time I tried it). There is less clay on the waxed pins, but there still is some.

@alodin11 2 месяца назад

Will using silicone pins and/or hydrophobic spray used to impregnate textiles be helpful?

@PotterybyKent 2 месяца назад

In my last video, someone suggested silicone spray, which I do have. However I'm thinking it would have the same issue sticking to the pins. Silicone pins would be interesting - I wonder if I can find those.

@alodin11 2 месяца назад

Coating the nail with silicone designed for bathroom or kitchen use would likely be the easiest method to create silicone pins.

@cf_spacetime 2 месяца назад

@@alodin11 seen others 3d print silicone molds. Could just use the molds to make a set of multiple pins, but that would be $$$.

@PotterybyKent 2 месяца назад

Yes, I think if I were to go this route I'd need to make a mold and use a 2 part silicone. Otherwise I'm not sure I have the skill to make it smooth!

@chaosordeal294 2 месяца назад

I watched this with the sound off and I really don't know what the guy was doing. I mean, I get the clay and stuff, but not the goal. I'm not complaining -- I decided to turn the sound off and I enjoyed watching, despite having no idea. Just thought it was funny.

@PotterybyKent 2 месяца назад

Much of the story is indeed in my talking along what I'm doing and why I'm doing it