How to cast pulp. Answered

Hi I want to make a daruma doll. Like in the video. How do you cast pulp into a hollow item? like in the video? Its pretty cool how they make them. ANybody do anything like this? I don't want to papermache with newspaper I want to make it like in the video.

Question by undftdking   |  last reply


Advice on lost wax casting

I am looking at the cheapest way to begin casting pewter with the lost wax casting or with creating rtv silicone molds and it looks like dental wax is generally the same as jeweller's wax. I would like to know if this product looks suitable for carving for lost wax casting: http://dentala2z.co.uk/PRE10379/en I would of course melt it to make blocks to carve from. It looks like it would do the job, carving wax seems to be really expensive in whatever form. Im also looking at using silicone and corn starch. thank you

Topic by lsadwdwadw   |  last reply


Problems with delft clay casting

Hi. I'm pretty new to delft clay casting. I make my models out of sculpey clay.2 problems I'm having: 1: sometimes the clay sticks to the model in the fine details (small letters, curves, etc) 2: takes SEVERAL attempts to get a good pour to fill the mold. I'm making several air holes and a pretty good size pour gate/channel. Any advice? Thanks

Question by bdanielpa2019   |  last reply


oogoo

Will oogoo stick to concrete or will it peel off?  Wanting to know if it would be possible to cast a concrete statute.

Question by TinkL   |  last reply


is there a substance out there that once carved reduces in size.

Is there a substance out there that can be carved or moulded that can reduce in size keeping its proportions intact. i know you can get the reverse, a substance that can grow in size keeping proportions intact (Thanks Goodhart). I am trying to sculpt in miniature and its breaking my heart

Topic by maninamousesuit   |  last reply


home-based aluminum foundry for small scale sculptures (8-12)?

I need help designing molds, crucible, and pouring device for small scale aluminum sculpture, using a propane -fueled roofing torch as a heat source. I make wax originals, and can make plaster molds. I have acces to an outdoor area that I can use to melt metal.

Question by Elizabeth Heller   |  last reply


I need suggestions for good materials to use for molding and casting..(details inside :) )

I need some casting(?) material ideas. I'm looking for fairly inexpensive material to make selector knobs (so it needs to cure to a hard, strong material)...would that material work also for casting things like remote control casing? If not, what would be a good material?... then i also need to make some thermocoupler holders, which need to be able to handle 300 degrees for a very long time. a hard material would be preferable, but, something with a firm rubbery texture would be ok also.... THEN, what material would be good for making the molds to pour the casting materials into to form those items? First, I'd want something solid i could cut into to form the shapes I want to cast, then I need something to put over my first cast(s) after I 'fine tune' them so I can make more.....So.. any ideas/suggestions?

Question by bac512   |  last reply


resin sword blade? Answered

What is a good resin to cast a sword for use as a prop and i just need a flat sword shape or blank and if i made the mold out of wood would the resin stick to wood?

Question by ClemensY290   |  last reply


I want to make my own air freshener dispenser

The finsihed product has to be in 2 parts because it has to open and close so I can take the air fresheners in and out. I'm using moldmax to create the mold. My challenge is that once the 2 parts are completed i dont have  a way to connect them together. Any suggestions?

Question by JerryG74   |  last reply


Can I use hardware store silicone / rubber for moldmaking?

I need a flexible, reusable, poured mold but it needs to be as cheap as possible. The RTV silicone that I see available specifically for moldmaking is too expensive for me. I know that there are lots of different formulations of silicone and rubber for home improvement and automotive use, and most are inexpensive. Are any of these good for making molds? Which is best?

Question by Eriswerks   |  last reply


Best to polish clear cast resin? Answered

My mum's in the process of making a lot of clear cast jewellery and is having trouble sanding imperfections down and then getting them back up to a good shine, as they're transparent it does need to be a good clear finish...

Question by killerjackalope   |  last reply


Any substitute for Smooth-Cast 300? Answered

We have our own homegrown substitute for Oomoo thanks to the local boy genius Mikey77 But is there any substitute for it's companion product, the very expensive ($100/gallon), two part liquid plastic stuff called "Smooth-Cast 300"? Does anyone know of a way to mix an inexpensive something up and pour it into a mold and have it harden up into a strong thing?  It doesn't have to be as invincible as Smooth-cast, but .. is plaster the only option? Update:  What am I casting?  I found a really great ornamental tile at Habitat for Humanity and want to make copies of it Update:   I'm wondering now, what if I used something from the wall/flooring department, like Mastic?  Its about $34 for two or three gallons.  It fills gaps and hardens to such a degree that it can't be chiselled easily.  I may try this. Update:  Tried mastic, it works but takes far too long to dry, on the order of three days or longer...  Maybe if I mixed in some corn starch (ala oogoo?) Thank you -foo

Question by foobear   |  last reply


Creating a cast from an antique mould?

I have a few antique tin moulds that make a variety of leaf shapes and wanted to frame them. I was thinking of making a cast from the mould to go along with the mould itself to demonstrate what the outcome would be from these molds. As the pieces are antiques (I inherited them from a Great Grandmother) I was not wanting to do any permanent damage to them such as having a resin stick to or dye the tin.  Does anyone have a favourite over-the-counter product or a homemade resin idea? I've thought of polymer clay, liquid resin, and plaster. Not sure what would be the best to use. Each have their pros and cons. I was thinking it would be neat to use a homemade recipe as it would have a neat DIY/handmade/antique feel. Any suggestions would be greatly appreciated :)

Question by shoebox   |  last reply


Do I have to sand water clear casting resin?

I'm a COMPLETE novice when it comes to resin of any kind. But I'd like to start doing my own flower castings as a hobbie. I was thinking of buying water clear casting resin- I want to be able to see the detail in the pieces but recently after watching a few videos and researching, i've found that I have to go through a sanding process. I thought that if I buy water clear then I wouldn't have to sand it because you will see the details? am I wrong in thinking this. Also,  if I cast items in glass jars will they come out super clear?

Question by AmmaarahA   |  last reply


casting a section of a large sphere in polyester resin

Hello, all.  I bought a nice pendant lamp for my house several months back from one of the local big box stores on clearance.  I only got around to putting it up recently, and when I opened it (yes, I already feel stupid for not having opened it right away to check on it...), the main glass lamp shade was completely shattered! Sadly, the lamp was on clearance because it had been discontinued, and none of the stores in Canada have any of them in stock anywhere, so getting replacement is impossible. I really like the lamp, though, as it matches several of the other lights that my wife and I have purchased, so I figured that I would try my hand at making a replacement shade!  The shade is shaped as follows: it is a section of a sphere 19.5" across (the diameter of the section, not the of the entire sphere), and 5" deep.  A little math (x^2 + y^2 = 2yr) lets me know that the radius of the sphere that this shade is a section of is 12". Here is my plan, and I would like to know if I am crazy or if anyone has a better suggestion.  I am going to try to cast a replacement shade from polyester resin, 1/4" to 3/8" thick.  I was going to make a 2-piece mould from plaster, and use my wood router suspended from a gimbal (on a 12" radius arm) to cut the outer mould.  Similarly, I would suspend a plaster blank from the gimbal over my router (on a 11 5/8" radius arm) to cut the inner mould.  Then I would simply coat the two halves with mould release and pour/pump the resin into the gap between the halves.  I'll tint the resin with some dye to get it the amber colour that I want, then lightly sand to get a smoky translucent finish. My only questions are: 1)  will I be able to get this mould apart without destroying the resin casting, and 2) will polyester resin be strong enough for this kind of casting?  Another option would be to make a wooden mould, but I thought that I might be able to chip away a plaster mould, whereas a wooden mould would be a lot harder to get off of a stuck casting! Thanks!   PS, of course, if this works, I'll post an instructable of it!

Topic by roboguy   |  last reply


Can I use plaster-of-paris as a mold material for making an aluminum casting?

I do not have access to any proper mold making materials, only items that can be found in a hardware store or a pharmacy. I would like to know if I can use plaster of paris as a mold material for a simple pour type casting using a lost wax type method. Any help will be greatly appreciated.

Question by Wormlamp   |  last reply


Rube Goldberg TV Show Casting Call

This sounds like fun:A new Discovery Channel show is looking for teams of ARTISTS, SCIENTISTS, ENGINEERS, ARCHITECTS and DESIGNERS with experience in building RUBE GOLDBERG MACHINES. (Thanks to BoingBoing for the link!)More details:This show shoots in January in Los Angeles so the application process will be moving quickly.Super Rubes is a weekly one-hour show that follows a band of talented creators as they design, build, and set off a massive Chain Reaction Machine in front of a cheering crowd. The point of a Chain Reaction Machine is to do something very simple, like turn on a light bulb, using as many steps as possible. This is an opportunity for engineers to let their creative hair down and have some fun building a giant Chain Reaction Machine. Our team will take on impossible challenges (i.e. , Can you crack an egg with a human hair?) in a race against the clock.We are looking for fun, interesting, charismatic and outgoing individuals of all ethnicities and types 25-39 years old to comprise a diverse team of people who are involved in engineering/building: This means architects, engineers, scientists, pyro-technicians, art directors/designers, even professors or hobbyists who are simply passionate about these topics. We don't need an expert in every area, just someone who loves to design and build.The team should be a mix of a skills, a mix of personality types, and have a playful, funny camaraderie, so if there are existing teams out there, all the better, or if couples/triples have worked together and want to present themselves as the start of a team, we are open to that too.

Topic by canida   |  last reply


Non Polyester Clear Casting Resin

Hi I am interested in using silicon molds for jewelry and other "craft" projects. From reading your site, I learned that this could be done w/o worrying about the resin sticking to the mold if you use a non polyester clear casting resin. Since I am new to this whole arena, I wanted to know where I could purchase such a product. Thank you. MGW

Topic by mgw   |  last reply


Making Cast for Deer Antler Reproduction

My dad and I go deer hunting, and just today my dad got a small 5-point buck. When we went to get it cleaned, we asked to keep the antlers with a small region of the skull (skullplate) attached. I have it outside currently so that the remaining hide and can dry. They look pretty good, and I wanted to make a reproduction of them by making a mold. I've never made a mold before in my life, so I don't know what to use. I thought about Plaster of Paris, but I don't have any. I know it's made of gypsum, and I could get some of that from spare drywall. I'm really confused about it. If anybody has any suggestions, I'd love to hear them. Thanks!

Topic by Bran   |  last reply


Can I dip a cured resin object into more resin to gradually bulk it out?

I'm making resin icicles, but I feel it may be more realistic to dip the completed smooth shapes into resin to bulk them out and give them some water-like imperfections on the shape. Will this work or will uncured resin affect the cured resin?

Question by JinxKittie Cosplay   |  last reply



How do I slip cast objects?

I am hoping to slip cast small objects from plaster molds. What should I know before making the molds? Before casting? Where can I find good slip and what is the best? How do I mix it? Etc. Thanks!

Question by brthomas   |  last reply


lost wax casting: what material is the best for pouring metal into?

So I made a rad Yoda wax figurine recently and I'm looking into converting him into a aluminum via the lost wax casting method. I've seen some other instructables on casting the metal into plaster of paris, but that doesn't seem to preserve the very fine details that I want. There are a few other methods I've seen on other forums, like mixing fine sand with plaster and making a ceramic mold...I have even wackier ideas like using fireproof cement, but I haven't seen anything online to support using it...what other ideas can you think of that don't involve expensive investment powders I have to buy online? 

Topic by jtrainer1   |  last reply


What sources of aluminum are safe for casting into cookware? I have lawnmower engines, soda cans, lawn chairs.?

I'd like to make some aluminum bowls and pans, what aluminum alloy sources are safe to use for this?

Question by robbtoberfest   |  last reply


What kind of mold/resin combination would be best to caste painted toys from?

Specifically, I'm thinking of making a small series of caste resin toys similar in design to Kidrobots Munny and Dunny series. I was thinking that I'd need to sculpt them from oil clay and probably use a brush-on mold material, but I'm not sure what sort of mold and resin to use. I know a silicon mold might make paint not stick to the resin well, but I can't seem to find much else that will produce the same sort of smooth surface and stand up to multiple castings. I've played around with using latex and it didn't seem to work to well. I had a lot of issues with mold instability. Similarly, I'm not too experienced with resins. I want something that can take acrylic or oil paint without the paint flaking or chipping off too easily. It doesn't even necessarily have to be a resin either, I just want something that can be done at home without a huge amount of equipment and will accept being painted on. If there's a better option than resin, I'm open to hearing about it.

Question by circuitfish   |  last reply


how can i made pots (clay, hipertufa, etc.) molds?

I want to know how to do cheap, easy to do molds of wood or any easy to find material to cast pots in many forms (oval, round, square, rectangle, etc) to cast in concrete, hipertufa, clay or any common sturdy material like such. any sugestions welcome :)

Question by dorianbakx   |  last reply


where to buy & how to cast clear water based resin that fast to set & strong?

Where to buy & how to cast clear water based resin that fast to set & strong?

Question by cassietess12   |  last reply


I am trying to cast a large "sawdust" object?

I am attempting to create large molds/casts of trash bags. the goal is to create a life-size trash bag made of sawdust. I'm not even sure where to begin. i'm not sure if i could create a mold of a bag somehow or if i could fill a bag and go from there. i know wood glue won't dry in a large mass, so i'm not sure what materials i should use. 

Question by ChristieS35   |  last reply


Softening Candle Wax (lost wax casting)

Well, I made my first lost wax casting yesterday using lead, and a Plaster of Paris mold. It worked great, except that I didn't have enough lead. But, after searching on the great web, I realized that the wax I used was much harder than what the sculptors use. Why is this? Is it a different type of wax? I searched Google, and couldn't find anywhere to get the wax I needed. Maybe I typed in the wrong name. I don't know. I'd much rather use my own wax, as my mom has a stockpile of large-er sized candles that softened and deformed in the Florida sun. How would I soften it, other than heating it in water? Is that water method thing how they normally do it? I'm really into melting metal, and want to do more casting, so can someone help?

Topic by John Smith   |  last reply


Do you prime/paint models before making molds for casting?

I'm working on a model sculpt that I plan to cast in resin later. It's almost finished, so I'm wondering if it's okay to prime the model before using it to make a silicone mold? Or would it be best to leave it naked, so to speak? I'll be using Smooth-On products (MoldMax 300 resin and MoldStar 15 Silicone) if it helps. Thanks! 

Question by Ayedeas   |  last reply


can one cast aliminum into a silicone mould?

I am looking for a quicker & smother way of casting aluminum & have been advised to use silicone but according to what I have read --- the temperature of molten aliminum is to high for a silicone mould! True or false?

Question by toshcama   |  last reply


Mold venting for lost foam metal casting

I've been casting small aluminum statues using the "lost Foam " technique. My success rate has been about 60%t070%because of the aluminum freezing in the long narrow parts of the mold. The statues are human figures so the outstretched arms and legs sometimes are not complete. Am now considering heating the mold to reduce this problem. Any suggestions will be appreciated

Topic by blindpig   |  last reply


recycling plaster of paris used in glass casting

Actually it is a question again on same topic but the way the plaster has been used here may change the way it can be recycled. I use plaster of paris to make moulds for glass casting.I want to know if the plaster from these moulds can be recycled since they already have been heated for 24 hours in 800 degrees temperatures. Are the properties lost once heated that high?

Topic by patbagniewski   |  last reply


Reusing Plaster of Paris?

...or simply plaster, is a type of building material based on calcium sulfate hemihydrate... It is created by heating gypsum to about 150°C....When the dry plaster powder is mixed with water, it re-forms into gypsum...So...if I heated the gypsum to +302F (150C), it would turn back into plaster of paris, to be reused agian? Of course you would need to powder the used plaster (gypsum), but would it work?

Topic by John Smith   |  last reply


How does Smooth-On's Feather Lite urethane resin compare to their Smooth-Cast 300 resin?

I want to cast my original horse sculptures, but since I don't have a roto-cast machine, I'll have to solid-cast the models. I'm a fan of draft horses, so my 1:9 scale horses will be rather large and bulky. This would be heavy if I did a solid-cast with normal resin, which would make shipping prices escalate, so I'm thinking the feather-lite would be a better choice. I'm worried about its ability to replicate fine details, and in the model horse hobby, it's all about the fine details and the quality of the cast. What is the quality of the resin like compared to their other resins, and how well does it replicate the original sculpt? Any help is appreciated! Thanks in advance!

Question by Ayedeas   |  last reply


How do you season a cast-iron pan?

I'd really like to start cooking in cast iron pans, because i know if you get even a decent pan, you'll have it for the rest of your life, which is pretty darn appealing. i have a pretty darn big frying pan already, but it hasn't been seasoned for years, and i have no idea how to go about it, can anyone tell me?

Question by cyc4015   |  last reply


How to make custom dental tray?

Greetings, There is an instructable on how to make a cast of teeth. https://www.instructables.com/id/Cast-Your-Teeth-for-Halloween/ I would like to know how to make dental trays from the casting to use for teeth whitening instead of the generic trays that come in whitening kits. Thanks

Topic by NeuroPulse   |  last reply


Making a mold.

I am trying to make a fascia panel for a car. In order to do that I need to make a cast of one of the voids in a panel, from a vehicle console, since it can't be measured easily. I want to make the cast so that I can then make an accurate template from which I can make the panel I need. I am looking for a material that is non-destructive to the plastic panel that contains the void. That will create a rigid solid replica of the void. I know nothing about making molds and casts. Thanks in advance.

Topic by ucs308 


how do you remove paint from a house radiator? Answered

The radiator is an old fashion steam radiator that can't be removed from the room. It is made of cast iron.

Question by    |  last reply


dose anyone know how to make a black polish for a old cast iron wood stove Tony

The stove is not painted and have removed all rust ect   Thanks   TONY

Question by tony6677   |  last reply


Some hints at making stuffed animals and casting resin

I posted a web album that goes through some of the process designing a plush animal and adding resin parts to it. It isn't super though rough, but might be helpful to some. Feel free to ask questions!Mr. Blue's Web Album

Topic by goosezilla 


Podcast: CA Rule casts Shade on Solar Panels

Day to Day, October 27, 2008 Solar panels are this season's must-have construction accessory in Southern California. But there's a regulatory roadblock. Green boosters say one more state rule needs to change if solar is going to be anything bigger than a flash in the pan....Link to Podcast download

Topic by Goodhart 


Is oogoo (DIY Silicone Putty) Oven-safe?

Hello! I have a question for people who use oogoo, or generally DIY silicone molding putty made from 100% silicone caulk. I want to cast oogoo molds of lego bionicle masks with polymer clay, but my issue is I need to keep the clay inside the mold in order to prevent any kind of warping, as most of it is spread a little thin (1-2mm thickness) and I don't want to end up warping it even in the slightest. Is oogoo or cured 100% silicone caulk oven-safe as long as it's within the specified temperature range? (I already know most DIY silicone putties aren't food-grade.) The silicone caulk I'm using is GE all purpose silicone I, mixed with corn starch, acrylic paint, and baby oil. The back of the tube says that it should not be used on surfaces that will exceed 400F/205C. The polymer clay I plan on using is cured at 110C, so I don't think it'll be a problem, but I'm worried exposing the silicone caulk mold to high temperatures will cause it to release some harmful chemical compounds. I looked up an MSDS sheet for GE silicone, and they had a generalized one stating exceeding the maximum temperature will cause the release of formaldehyde. Since I plan on baking these in our kitchen oven, I wouldn't want harmful chemicals contaminating a space where we cook our food. Also, if baking isn't an option, since the polymer clay is spread thin, and cures close to 100C, would curing it in boiling water be an option? (That way any water soluble chemicals would remain contained while the clay hardens.) All help is appreciated!

Topic by SixFootBlue   |  last reply


How do you cook a steak on a cast-iron grill pan? Answered

I bought a cast-iron pan with the little elevated parts to make it more like a grill since I would have to go use a community grill and usually I am just cooking for myself. I have tried different recipes and have either found it's way too done, or just not cooked right (and still cold and red in some spots). I think I am getting closer, by searing it at the highest temp my oven can get for a few minutes on each side, but for a decent cut (around an inch) it seems that isn't actually cooked, and then I put it in the oven for what I heard was a short amount of time (I like medium-rare to medium steaks) and it was very well done... Any one have any recipes that works well for them? Also how do I not fill my house with smoke when I try to sear the steak?

Question by downgrade   |  last reply


How can I make a light to read in bed with a partner who needs complete dark to sleep?

I have tried various commercial products but they all cast too much light into the room. I need something that puts the light only onto the page or allows me to read in limited light eg night vision or has a screen between us but that needs not to be intrusive or ugly when not in use.

Question by jocasam   |  last reply


Where can I find the least expensive plast'r craft type product?

The product is used for making masks or casting other shapes.

Question by  



hydrospan - Expanding Urethane Foam - what could you do with this?

Http://www.industrialpolymers.com/water_abs_expanding_urethanes.htmlA casting foam that expands 60% when soaked in water. What could you do with that?Any creative ideas?

Topic by royalestel   |  last reply


how to make hammered sculpture in the method used on Statue of Liberty and Portlandia? Answered

I'd like to sculpt a large piece but can't afford bronze casting. Hammered copper or bronze has a good look but need info on the process.

Question by dk0123   |  last reply


How do I home repair chips in enameled cookware?

I made a small chip in the enamel of the lid of my enameled cast iron Dutch oven. It's not in a bad place but I'd like to repair it, if possible.

Question by firehorse   |  last reply