What to use for modelling/scratch-building (Materials?)

Have any questions or tips and advice on how to build those bits that don't come ready made.
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Re: What to use for modelling/scratch-building (Materials?)

Postby Firefly16 » Sat Sep 26, 2020 2:18 pm

A new discovery I overlooked in my post above: the unbranded inner faces of the papier mache lids of those long one dozen egg boxes from supermarkets are a good starting point for ballast detail. Approx 3" wide when the sides are removed, when moistened (but not to the point of disintegration) the edges can be folded under to the required width. To avoid creating something like the original Triang track base, the folded edges can be pinched into a more irregular profile with the finger tips, while additional depth can be created by slipping material of choice inside the fold. I've yet to experiment with curved sections, with the possibilities these suggest for banking.

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Re: What to use for modelling/scratch-building (Materials?)

Postby GeraldH » Sun Sep 27, 2020 9:45 am

Mountain wrote:
GeraldH wrote:I've just discovered that candy floss and toffee apple sticks can provide very nice square section timber that is thicker than matchsticks and stronger than balsa wood, although these might have been replaced by plastic in some cases more recently?
Balsa can be used to make effective seating in non-corridor Triang coaches including clerestories.
Sawn off Triang coach bogie rivets are quite useful too. They can reinforce or create body fixing points that take self-tapping screws. I have quite a supply from replacing old open axlebox bogies :) .

What did you do with the bogies?

I think they were sold as a job lot of bits and pieces on Ebay. Virtually nothing goes into the bin on the BNR :) .
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Re: What to use for modelling/scratch-building (Materials?)

Postby Mountain » Mon Sep 28, 2020 9:52 am

No worries.

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Re: What to use for modelling/scratch-building (Materials?)

Postby daleks04 » Sat Oct 17, 2020 6:51 pm

Thank you all for your suggestions. What is hard is getting a pristine finish I am finding.

Any suggestions?
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Re: What to use for modelling/scratch-building (Materials?)

Postby End2end » Sat Oct 17, 2020 11:58 pm

On buildings, prime things first. I use cheap grey primer. It also helps show up any discrepancies / faults.
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Re: What to use for modelling/scratch-building (Materials?)

Postby luckymucklebackit » Mon Oct 19, 2020 10:07 am

If you are building signals (especially Ratio Kits) or anything else that needs handrails a box of dressmakers pins is handy, they make great uprights and signal arm pivots, although you have to open out the pivot hole slightly with an appropriate size drill.

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Re: What to use for modelling/scratch-building (Materials?)

Postby Bigmet » Mon Oct 19, 2020 2:46 pm

daleks04 wrote:... What is hard is getting a pristine finish I am finding. Any suggestions?

Most of this is down to practice, and finding the materials and techniques that work best for you.

Take fillers as an example, I use the superfine Milliput, because there is never any need to file or sand it. Working it with water before it cures enables a completely smooth finish to be produced, that needs no subsequent filing or other abrasives on it, much simpler than the alternatives. (Also works on items my wife breaks or damages, garden tool handles and the like, which wins much gratitude when a repair of a much liked item can be achieved.)

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