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Custom pieces based on DF stuff
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TOPIC: Custom pieces based on DF stuff
#30122
Custom pieces based on DF stuff 6 Years, 4 Months ago  
I'm also going to test out a clear coat of enamal on at least 1 piece and see if it looks ok.
Just like painting miniatures, you could spray it with a clear GLOSS-coat (for the added protection) and then tone down the sheen with a layer or two of clear FLAT-coat.

BUT (and this is critical) make sure each layer is completely dry before applying the next or you will get a smoky - hazing effect that will obscure your colors and ruin the piece.
Myrthe
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#30123
Custom pieces based on DF stuff 6 Years, 4 Months ago  
Ah yes Ghenghis, I totaly agree, I did actualy cast it at one big cubic chunk at first, i only cut off those parts at first so i could demold a bit easier. I think on the next time I make another RTV mold I will preplan to leave it as a cube and cut it into 2 pieces (along the edge of the wall) for demolding.

I'm really only casting with plaster because its so cheap and i havent bought and resin yet. but i do plan on getting some resin, atleast for the flat wall pieces alone because they semm to be the highest prone to breaking. ^^
Ziffelblict
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#30124
Custom pieces based on DF stuff 6 Years, 4 Months ago  
hhehe i have seen people place "dead" space in molds to save RTV and sometimes makes demold easier as you have less hard RTV to flex, i have done it a few times myself. so didn't know if that was the case.
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More Sci Fi Please, request a DEAD END for Sci Fi Passages
Classes of the Old Republic
Some RPG and mini stats including the Exodus and AAT (along with good source of a Mini scale version of the AAT).
 
#30125
Custom pieces based on DF stuff 6 Years, 4 Months ago  
The "cast a blank from a lego setup" is interesting. I too wanted to be sure that I all of my blanks were consistent in size, but in the end it looks like we approached the problem from opposite directions.
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#30126
Custom pieces based on DF stuff 6 Years, 4 Months ago  
The "cast a blank from a lego setup" is interesting. I too wanted to be sure that I all of my blanks were consistent in size, but in the end it looks like we approached the problem from opposite directions.
mmmm, my first attempt was to cut the blank from a piece of scrap plaster block (the dark grey/blue pieces), i had to work alot at getting all the sides to square up. Even then the dimentions are still not as close as i would like them to be. sofar the floos of the flat tile 2x2, the 2x2 tile with inside wall, and the 2x2 tile with inside corner walls: all 3 floor hights are different. it is less then ideal because things like tables or doorways will kind of teeder todder on the floor because the floors are not the same hight.

Do you have any pictures of your approach or method? or a thread posted already?

Also, have you guys seen the youtube video of the Dwarven Forge Gladiator Arena? its pretty awsome, team effort. Looks like a wax or clay master with cardboard skeleton, then a latex (with plaster support) molding. awsome paint job too.

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#30127
Custom pieces based on DF stuff 6 Years, 4 Months ago  
Ziffelblict

First of all - welcome here - and congratulations on your pieces. They are great and from own experience I know they are a lot of work.

Please use the following at your own disgression - it is no criticism - this is only from my own experience.

1) plaster - there are a lot of different plasters out there. While it is cheap to get a big bag from a DIY store - I would advice against it. I use myself CrystaCalA - which is a very hard alpha plaster. I tried some Herculite II - but returned to the more expensive one. The disadvantage first - more expensive (2-3 times), more difficult to get (courier vs pick it up yourself) and you can't carve it anymore (much too hard for it). The advantage - it is soo much more stable. I was shocked when I read that you broke some pieces when you demolded them. With the right plaster this should not happen at all. I've had my pieces survive from 1 m on a carpeted floor (don't try it on concrete) with hardly a chip - but no breakage.

2) I wouldn't use spray cans. I did this with my first pieces. This is just not economically - and the colour - especially black undercoat - won't go in all undercuts and crevices. But these are the places where you need to have 100% coverage of a white plaster - or the result looks silly. get a big bucket of paint from a DIY shop. You could even get it mixed to something which isn't perfectly black. And it is not much more work - as you tend to repaint the sprayed pieces with a brush anyhow.

3) Resin - I tried a few different ones. I've now setteled on Polyester Resin with some black paint/additive added to it. I still need to figure out a good way how to add the paint (3%) without a mess. But you get perfect black pieces, you save soooo much work undercoating - and in case of chipping it is less obvious. I tried to colour the plaster - but I didn't really work well. In regard to polyester resin vs polyurethane I've now settled for polyester resin. Polyester resin is several times cheaper. And it is much more friendly to the mold. Next time I will be looking for premixed resin. But I can't really stress how much better it is to start with a coloured mix instead of white which needs to get undercoated.
You also might think about fillers. I tried fillite. Don't use to much - appox. 20% max I would suggest. The advantage - it makes the cast cheaper and lighter (I also ship some pieces to people when I sell surplus on E-Bay) and it gives a less shiny surface. Especially with your mold it would add some micro roughness - which helps when you dry brush and make the pieces look more natural.

Let me know if any of the above helps. I'm still learning myself - and some experiments can be expensive. You don't want to buy some 1 kg resin colour for $20 and then figure out after using 5g of the stuff it is no good. Same with resin - getting in some 5kg and figuring out it is the wrong stuff can be expensive.

Thod
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#30128
Custom pieces based on DF stuff 6 Years, 4 Months ago  
Do you have any pictures of your approach or method? or a thread posted already?
I'll put them in the catacombs thread that I started. I am still working on those and am looking forward to showing them to everyone!
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#30129
Custom pieces based on DF stuff 6 Years, 3 Months ago  
Pictures update/Action shots!

I'm not happy with how some of the bricks from the flat wall and corner pieces dont line up smoothly;/

These are all the casted and painted pieces i've made so far.








Again crits are welcome, or any tips. I need to cast up about twice as many as are here. Also im going to make the mold for the 2x2 hallway piece. ^^
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#30130
Custom pieces based on DF stuff 6 Years, 3 Months ago  
1. The newly made molds with plaster spacers. These save on silicone and also help in the demolding stage.

2. Here the Spacers are inserted into the molds on the bottom. The molds were cast with both the master piece and the spacer in place during its' creation.

3. The 2 new Molds in a Lego rig. These lego pieces help hold the molds in place while pouring the plaster into them.

4. The lego rig also holds together the corners where the release cuts' are.

5. These greatly increase the demold time, they barely leave any residual mark in the newly casted pieces.

6. The masters and copies.

7. They line up much nicer then my first dungeon pieces because these masters were made with precasted lego blanks which really helped me keep everything lined up.

8. These are the undersides of completed pieces with black felt material glued to the bottoms.
Ziffelblict
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#30131
Custom pieces based on DF stuff 6 Years, 3 Months ago  
Looks cool looks cool. It reminds me of the ones I had made s few years ago, but I had made the masters out of Hirst Arts blocks rather than making them original sculptures. You will have a table full of then in no time!
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#30132
Custom pieces based on DF stuff 6 Years, 3 Months ago  
Back again with some new progress!

Here I am trying a new method of creating master pieces. More legos! You can see by the picture the lego forms and the supersculpty around them. The process is fairly straightforward. I did end up buying a bunch of sculpty clay and a few specialy tools that I didnt have before for this.

Build the lego's into the desired size, then cover every side with 1/16th of an inch of sculpty. Each piece should come out to be the correct size we are dealing with, 2" by 2".


6 lego dots = 1.7/8th inch.


1/16th of scupty on each side will then make it 2inches perfectly.


5 bricks high is just under 2 inches high. Add about 1/8th inch of sculty material.


Building up with lego's and sculpty this way has been a lot different then carving down a larger block from plaster. As always, Lots of fun and about 3 hours of setup and modeling. I plan on using these and the blue siliconeRTV to make some new master molds. I think I will have to use some sort of resin when I do start making casted copies because of the smaller delicate size.
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#30133
Custom pieces based on DF stuff 6 Years, 3 Months ago  
Looks much better. Great job.
GavynnAlexander
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