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August 26, 2010

Help with Dollhouse Trim

So, as you’ve probably read, I’m in the middle of building the Pennsylvania Railroad Hunt Tower — although, it’s been pretty slow going.

I’m up to building the curved detail below the tower’s bay window and just realized that that detail can be perfectly reproduced using the wood trim used for doll houses. They have a trim available that is quarter round along the top but transitions down into a cove. Cutting that trim to 45-degree mitered ends and creating three sides of a “picture” frame with is exactly what’s on the tower.

My issue is that the trim is balsa and I’ve tried cutting the angles with a hobby saw and miter box, but the cuts aren’t clean. The balsa tends to splinter and flake apart along the cuts. I might get it close with this method, but the end result will be noticably “jagged” or just look like wood — wood in 1:1 scale.

So, I’ve thought about trying to cast the trim in resin where I can make clean cuts. Or, perhaps I can find the same molding in a harder wood or even in plastic.

Anyone have any ideas for either cutting this cleanly or know of trim like this made of alternative materials? The trim is 1/4″ which I’ll need to cut down to size before mitering.

About the Author

— Co-founder of N Scale Limited, Frank has been building models since childhood and modeling in N scale since 2oo3. He is the former author of the blog, N Scale Modeling. Frank has a passion for big city modeling, the 1940s and the Pennsylvania Railroad.
  • Nick

    If you’re still trying to solve this problem…

    I’ve never done this, but what if you were to coat the balsa in some clear finish before cutting? The clear coat might act as a sort of hardener for the balsa and prevent it from splintering. If it thickens the wood too much, you might be able to sand it down after cutting.
    Maybe?

    nick

  • http://www.nscalelimited.com/ Frank Giacobbe

    Not a bad thought Nick. I might try it. I cut the parts already and plan to use some putty to coat the balsa and then sand everything smooth. If that doesn’t work out, I’ll go back and try your method.

  • ChicagoNW

    Have you tries a razor blade. Use it like a saw blade not in a chopper.

  • Sjschwab963

    Hi,

    I have just read your blog and assuming the trim is still giving you a challenge…

    I am a big fan of Evergreen styrene tubing for this kind of detail. Multiple diameters are available. By slicing a tube in half or quarters, combining concave and convex lengths, you can create many trim/moulding profiles. Combined with rod and square lengths you can create almost any profile. Styrene will mitre much better than wood as well.

    Hope you work this out for your tower. I look forward to the finished piece.

    Steve

  • http://www.nscalelimited.com/ Frank Giacobbe

    Steve, I agree…I’m a fan of Evergreen as well. The detail I’m trying to create is somewhat of an elongated concave part. The dollhouse trim is fairly close, so I thought I’d start there. I may wind up with styrene though if it doesn’t go well.

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