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help with cutting foam board


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Unusually for me I am making some mock ups before plunging into a new structure. As the following pictures show, I am trying to produce windows in deep relief.  The problem is that cutting foam board with a standard compass cutter isn't working due to the material being too deep per se and it being hard to get a solid location for the pin.  The result: pretty hairy and imprecise modelling: even for me!

 

Any tips to cut the board in a neater curve or suggestions for other board types to get the level of relief that I am looking for?  Otherwise I will have to revert to mounting board which could give a much sharper cut but at the cost of being significantly more difficult to work.

 

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and the real thing

 

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Andrew

 

 

 

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May I suggest cutting card or even plastic templates using the compass cutter, sticking them down with double sided sticky tape and then cuttinf round with a long slim scalpel blade?

 

Doug

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  • 2 weeks later...

May I suggest cutting card or even plastic templates using the compass cutter, sticking them down with double sided sticky tape and then cuttinf round with a long slim scalpel blade?

 

Doug

I think the answer is to use the compass cutter to go through the first layer of card and cut the foam by hand following this initial cut as a guide.  

 

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This probably wins the least exciting thread competition!

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When you've finished the building, let me know. Between me and my fellow GER modellers I'm sure we could furnish enough stock to run a layout of Liverpool Street station!!!

 

Phil

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  • 1 month later...

Have you tried Foamex?  It is a dense foam inner with veneers of very smooth foam on the surfaces.  I get it from a signage company. I can be impressed with a scriber and takes paint very well.

 

I would cut such thicknesses as yours, even on foam board, with a piercing saw and a fine blade.  At least that would keep the cut at right angles to the surfaces.

 

Regards,

Boatman

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