Tutorials

silicone moulding with BB

Posted by Beano Boy on 01 Jan 2026, 03:35

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The Lego bricks were being collected after drying them,and this time a three part mould would be built up in stages. But a nice cup of tea arrived from the kitchen via my dear Mrs B, who smiled the smile of understanding as she looked at the work table with needful things piling up which were needed by my good self. Once again i would be employing the Chaos Theory again in my Quest to make a certain something. :mrgreen: Which is going to be such a mess!

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And so it was soon after slurping my tea,that the silicone was squeezed out upon the corn flour, it being starch that now needed baby oil added to it in order to help blend a good mix for another moulding adventure to begin. Baby oil is not cheap,and cooking oil is cheaper. However that can also be used,but there is a lot of sugar in cooking oil and it will seap out of any mould and make them very sticky indeed. Yes i know this to my cost.

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This building would be the cheap Pattern and passage leading to somewhere else.

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This turned out to be a three part rubber mould.

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The guidence pegs will fit snugly together settling into their guidence holes which means that there is only one way to put it all together ready for pouring my resin into it. i went forwards by using very long hat pins to reconstruct every mould which were fixed tight inspite of pouring my resin mixture into them.

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:mrgreen: How did you stack these up to greater hights BB?

:coffee: Even more things are comming soon. So please visit again. BB
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Posted by MABO on 01 Jan 2026, 10:58

Great looking houses, again Paul. And looking at a coffee-mug in the morning of the 1. January is also nice... :mrgreen:
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Posted by Beano Boy on 03 Jan 2026, 10:43

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:coffee: Opp's a mild Apology!

:coffee: Sorry guys i sort of got the pictures in a wrong order.
:eh: Eh! What! You can't make mistakes here BB, said a rather confused WingNut!
:mrgreen: See guys things do go wrong for BB,even here.
:coffee: Thank you for that Mister Green.
;-) Things are going down hill from now on,remarked Winky!
:cowboy: Well Pards, i burried me old last years socks and then realised me feet are far to large for e'm new years socks Rowdy Yates, sent me. Said the Cowboy who always sleeps in his boots and dreams of the old rawhide days of his youth.
:coffee: That ain't good, but i'll let you have my new woolly mits cause they are far to big for my flingers!
:read: I'll make mention of this in the journal,' Cowboy is now a wearing extra woolly gloves upon his rather large pan handle feet.
:cowboy: Now all i've got'a do is find me old boots BB,sent me last new years.

:sst: an it is true bb,meant to mention e'm mits and flingers. :eh: Eh!

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These are my newest plastic bricks,and some of these formed the multi part moulding box.


The mould being four sides and the top way down in the bottem,and i must admite it did look rather odd with long sized hat pins holding everything in place.


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The very long sharp pointed pins that held everything together were removed ...

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And the loose roof pattern remained in the bottem which was as i planed.

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So removal of the four sided pattern took place.

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Often is the case within industry loose pattern pieces are designed and used to avoid damage to the mould as the main pattern is removed.

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i desided as the roof overhangs this structure, it would become a loose pattern.

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So with a little flexing it was removed safely without ripping the silicone.

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The end walls lay upon the table.

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Now placed within my old washing up bowl they were ready for a hot bubble bath.

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:coffee: A little later the mould was being put together to prepair it for casting up with resin. So i needed to pin the parts together.... Now then where did i put my collective stash of long hat pins?

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:coffee: Ah, here are some holding tight the castle gate mould.
OK! That's it for now.Perhapes you might return for the next part? BB
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Posted by Beano Boy on 04 Jan 2026, 07:16

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Within the heatwave of 2019 i toiled away my time upon my hobby and the internet. Here,the main thought was of casting a few up to stick upon the mighty walls of castles. An oddity of display using a dab of silicone to meet that final end.

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Yes this sense of rendering up ones own gargoyles to direct the rainwater from medieval buildings was the main motive here. i soaked these in a thin colourwash of cold water within a large glass jar and they fizzed their way into turning to hardened stone. Five and a bit years on i still have them to display.

:coffee: Well guys,until the next one.
Thank you for you visit,
it means a lot to little me BB.
:mrgreen: :eh: ;-) :read: :sst: :cowboy: we were very quiet on this one.
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Posted by MABO on 04 Jan 2026, 09:09

Funny and interesting as always, Paul! :-D :yeah:
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Posted by Santi Pérez on 04 Jan 2026, 20:02

Thank you for sharing all these techniques, BB. It's clear that making your own moulds can help you save a lot of money when you want several copies of the same item. :drool: :drool: :drool:

Santi.
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Santi Pérez  Spain
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Posted by Beano Boy on 05 Jan 2026, 02:00

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:coffee: You are correct Santi, :thumbup: Thank you for commenting. :thumbup:
Things tend to multiply into matrices where i am concerned.. BB
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Posted by Dad's Army on 05 Jan 2026, 22:53

Paul, like always I am very impressed by all your ways of making your (big) production.
I hope ms. BB is as well hahaha
Keep up the good work, I love it!
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Posted by Beano Boy on 07 Jan 2026, 11:27

:coffee: Thank you Remco,for your nice comment and question too. As i look out of the window my Mrs B,is very happy taking up the large wheeled rubish bins while draging them through the snow and ice. She is a marvel,because she helps our neighbours out too, by taking theirs up the court yard to the local pick up point.
Alas,i cannot.But i help out others in my own little ways. BB
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Posted by Beano Boy on 09 Jan 2026, 06:55

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:coffee: Staying upon the theme of such a topic as this,i would have had to scale some ancient building to fetch this one back for display! And i fear my special service days ended many years ago.

:read: A good idea would involve plastering over that stone thing with rubber!

:sst: then peal it off when set!
:eh: What's set?
:mrgreen: Well WingNut,it means when the rubber has gone off!
:eh: What is gone off Then? :sst: it means when it's cured wingnut,replyed the little button.
:eh: Eh! So you mean BB, would use 'gone off sick rubber,thats been cured?
:cowboy: 'Well Pard's,this could go on all the lived long day.'decleared the Cow Boy who always sleeps in his boots.
:eh: Eh! What do ya mean by that,then?
:cowboy: Well Pard's! Do you see what i mean?
:coffee: So lets move on.
:cowboy: Get'em up an move e'm on.Rolling!rolling!rolling!

:coffee: Let's do that than. Some of the plastic pieces i used to make patterns worthy of the cost of my silicone moulding lay scattered below.

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:coffee: Below,the first piece having been removed shows nothing much,however as the others are removed the casting will be revealed on this ongoing display.

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... :mrgreen: So here we go again. :sst: just toddle along within this topsy turvy topic. The little button,advised.

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:coffee: Making another freestyle two part tower for my own use means 'not for sale.' The charm of having at times rather good cheerful days of hobbies,is certainly not my living,and it makes constructive time pass me by each day,and so there is no place for boredom. :eh: I'm never bored. :mrgreen: So what do you feel like today WingNut? :eh: Oh just fed up i supose. :mrgreen: There you go,i rest my case.

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The pieces were easy to remove because i used baby oil as a parting flued.

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Two part round castellation moulds. By splitting this one up i could make up extra castings to increase the hight of their battlements!

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Another part was removed.

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..... Raising the walls

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The last piece was being removed .

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:coffee: Castle Towers.... they sort of rolled out and fell up, :sst: rather than falling down,and rolling away', mentioned the little bright button. :mrgreen: that little fellow is so smart! Mr green said. :eh: i kinda wish i was. WingNut chimed in.

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:coffee: The raised extension brought forwards will bring this defencesive gate to another level. All i have to do now is find the battlements topping.

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The cold water fizzing tub where this one hardened off to a stone like hardness certainly is worth placing here,because for myself it worked out fine and dandy. And this old picture of mine recently found upon You Tube,meant i could recover it along with lots of others that even though lost elsewhere they are now back within my own padlocked copyright pocket again.

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The plastic tower.
An object not completely stuck together i must confess,but the elastic bands serves a purpose to keep them all bound together in a likeness shape all who look at such a thing would identify with and what it is.
Looking at the parts that make up each stage of castle tower,i determined that each part i needed would be produced in their own seperate mould.

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So the top castlelation upon its rounded wall, which can be viewed cast up above,and the lower section of wall that has a curve to it's bottem i would need to make in my own topsy turvy mathodical way.
Being able to produce loose castings i could pile up to new hieghts all my castle parts.

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:coffee: A huge saving was to use the empty silicone cartradge to hollow out a few castings. All i had to do was stand the tube upright in the middle of the open top mould while i cast it up with my own free style uncomplacated mixed resin. :eh: Eh! Why? :coffee: Well after all it is a needful thing to do in order to save my pennies that when stacked up, eventually save me all those rather costly punched out under great pressure British Pound Coins.

ImageBonk! Bonk!Bonk!

:mrgreen: Of course one has to use a hammer to loosen the cartridge tube.

ImageBonk! Bonk! Bonk!

:eh: Eh! That's an awful huge size of hammer!

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:sst: and so it eventually was removed,said the little button :cowboy: Well Pard's,this is interesting for an old time free granger like me. But i ain't very good with rather large sized hammerings myself. :eh: Eh! Always with the negitive! WingNut shouted out. It was at this point the well read Book Worn arrived upon the scene. :read: Entry into the ledger, a question... who would think it wise to let WingNut loose with a hammer? :mrgreen: Mr Green,could not resist asking, Who would let BB,loose with that hammer?

:coffee: I'mmmmm...However what i mentioned before at the start of such an endevour,' It is only rocket science if i intended to make one.' :beer: 'That sounds rather cool!'...remarked Mr Ecin Reeb! :eh: Eh,Mr who? :sst: he being simply mixed up into another directive way from ' nice beer' :beer: That's right i'v waited for yonk's to have a place here upon the miss adventures of BB,and boy, o boy, am i glad. :eh: Well there ain't no money in it chimed in WingNut!

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:coffee: Ok Guys i'll see you on the next one.
Until then,Take care,stay well and help others if you can. BB
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Posted by MABO on 09 Jan 2026, 23:47

Huge output again. Great stuff. You should be able to build towns and towns and castles and castles...
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