J_A_ wrote: how is the process of drying? I mean how you dry your green stuff figure? or it gets dry after a determined time at the outdoor air ? I have been making figures in 1/72 with the typical non toxic modeling clay
Alex: although I called this topic started by you a 'masterclass' since you are the master and we are your class, we must not forget Benno's Forum is for experienced and beginning hobbyists and professionals all together. J_A_ is asking us a very basic question that has been asked to me and to us before. The question is so basic we forget to realise how important these questions are.
These questions make the difference between deciding to start sculpting or decide not to do it because it all seems to difficult and unknown.
I remember a post by Emperor who wrote:
I have one big question about sculpting...Everybody who writes about sculpting post phases of sculpting, but there is very little posts on subject ,,how properly to use green stuff and other sculpting materials and clays...'' I bought green stuff twice in past 5 years, and I can say that it is very problematic to work with it when you don't know how to use it... It is sticky and if it isn't used properly it doesn't give the good result...So since we all are well informed in process of sculpting I think it will be really good to have some tutorial about working with green stuff and other materials such as super sculpey or miliput...For example how much it takes to dry and what substances to use to keep sculpting tool wet and clean and to have green stuff not stick on tools and to proper make details...
So J_A_ I try to give the most basic information here:
PUTTY
Basically there are two types of putty:
1) TWO COMPONENT SELF HARDENING PUTTY
2) ONE COMPONENT THERMO HARDENING PUTTY (hardening at 125 degrees Celcius in oven)
TWO COMPONENT SELF HARDENING PUTTY
Like Milliput, Green Stuff, Magic Sculp and Modelayt.
These are the ones used most and recommended by Alex.
These are not like natural riverclay at all.
But some are mixable with water, just like riverclay.
Self hardening means: it does not dry by air as long as both components are kept separate. If unpacked and exposed to air, it will take weeks or years to dry completely.
But as soon as two components are mixed together by kneading it starts to HARDEN by itself. So it DOES NOT DRY, but HARDENS in a chemical way.
The better you knead two components together, the better it hardens.
I think with ratio 1:1 of each component hardening goes quickest which is about one to two hours. During these hours its getting harder and harder all the time. So you can not lay down your sculpting work and continue half an hour later. It will be too hard then.
Except when you knead new portions of putty every time again before continuation.
Planning two hours without being disturbed is important. Do not start sculpting half an hour before dinner is ready, your kids are coming home or your favourite TV show is starting! AND DO NOT ANSWER YOUR PHONE.
Kneading small amounts of putty is important too so you don't have to throw away quantities of mixed component time after time.
Green Stuff and Magic Sculpt are most common two component putties.
But there is a great difference between them.
GREEN STUFF is NOT WATERSOLUBLE and NOT SANDABLE, FILABLE OR SCRAPABLE since its micro feebre structure is like stickey, plastic micro hair. You can cut it with a model knive or sand it with a file or electric tool buth then it roughens and looks like this:
It can be polished wit an electric tool again but thats difficult and a lot of work.
So working with Green Stuff means: what you apply to your body does not never come off again. With the result many bodies become TOO FAT and HEAVY.
You can see in the picture: Green Stuff nowadays is sold in ratio 2:3 for blue:green components. Because more green and lesser blue part is recommended by professionals.
After making a copper wire body frame, you only need 3 tools to sculpt a complete figure: a RUBBER BRUSH, type 'hard', size 0. Rubber is very smooth so it does not stick to the Green Stuff like iron tools do. You have to order a set of 5 rubber brushes on the internet. The Games Workshop does not sell them and artist shops usually sell them in size 5 which is for much larger clay sculpting.
The other tools are a knive and a pin (needle) for making tiny incisions like fingers an toes or sculpting ears, eyes and hair.
If Green Stuff sticks to your fingers too much, use oil or chalcum powder on your fingertips. If it sticks to your tools, use water, vaseline grease or olive oil.
If the mixture is not soft enough, add more green component and use less blue component.
J_A_ wrote:and what material would be better to start for the first time modelling figures in 1/72?
J_A_ since you have experience with riverclay or modelclay, which is watersoluble, and you are not aiming at professional results at this moment I recomment you to use Magic Sulpt for making your first sculpts.
Alex may not agree with me.
But there is three advantages compared to Green Stuff:
MAGIC SCULPT is WATERSOLUBLE so you can use it like you used riverclay.
Using a tiny bit of water makes it possible to make its surface very soft and smooth by using your fingertip, a wet hairy brush, a dry rubber brush or a wet iron tool.
And it is SCRAPABLE, SANDABLE and FILABLE so you have endless opportunities to remove mistakes and excessive putty and polish the putty after it has been hardened.
Finally is does not stick to your tools that much so you do NOT NEED A RUBBER BRUSH or use lots of water or oil as a parting agent.
Here you can see my first ettempt in Magic Sculpt:
Also now 3 tools were enough to make its basic sculpt:
In stead of the rubber brush I use a dentist tool. But these tools are often made by modellers themselves using bamboo wood or steel which must be sanded and polished with a layer of laquer or super glue.
When using Magic Sculpt the knive gets a second function: its perfect as a scraper for scraping off excessive putty after hardening.
Then Magic Sulpt mix is not soft enough, use more of the soft, white-grey component and less of the darker grey hard component. Or add some water to your mixture.
Much more information can be found in this thread:
http://216.243.142.147/viewtopic.php?f= ... iew=unread