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Mold making question

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  • Member since
    December 2002
Mold making question
Posted by 7474 on Friday, February 19, 2021 11:44 AM

The cat damaged the vertical stabilizer of a Zvezda 1/144 767-300 I'm building for a friend, I have another 767 that I'm working on. Is it possible to make a mold of the vertical stabilizer of the good one, cast it, cut off the damaged one, then attach the casting? Or should I throw out the model? I'd hate to toss it as it's almost Complete And I would like to fix it. 

  • Member since
    May 2011
  • From: Honolulu, Hawaii
Posted by Real G on Friday, February 19, 2021 12:08 PM

Can you post a photo of the damage?  We might be able to suggest a fix versus making a new fin.

“Ya ya ya, unicorn papoi!”

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Friday, February 19, 2021 2:59 PM

Yes it is possible.  However, a simpler fix might be to trace the good part onto a sheet of styrene of appropriate thickness and file or sand it to the contour.

 

 

Don Stauffer in Minnesota

  • Member since
    October 2019
  • From: New Braunfels, Texas
Posted by Tanker-Builder on Sunday, February 21, 2021 8:33 AM

Now;

     Here's a simple answer to your question. Take plastic sheet of the approximate base thickness. Cut larger than needed. Then carefully copy the other one. It shouldn't be that hard. You will probably need to laminate some some pieces together.

    Here is a interesting tip. Have you seen those Pin toys that you can make a copy if your hand or whatever? If you have one around, then Take the undamaged fin and fuselage rear and make a copy in the pins. Kinda like a contour guage. Then drop the new in every once in a while. You'll be able to tell if the shape is right!

  • Member since
    September 2012
Posted by GMorrison on Tuesday, February 23, 2021 4:09 PM

I'd probably cut it out of basswood and sand the profile, seal and paint.

 Modeling is an excuse to buy books.

 

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