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Tip O' The Day


Tip O' The Day

Internal Bracing For Vacuform Models    


[Science!]

Category:

   Construction

Submitted By:

   John Klein

Tip:

   Vacuform models need some sort of internal support to hold their shape and make handling easier. Once built, they can be filled with plaster or expanding foam, but plaster is quite heavy and expanding foam can burst a glue seam. Filling the model after it is built doesn't help you when it comes to trying to add rigidity to sub-assemblies or individual parts during build-up. I found the best way to add rigidity to individual parts is to create "ribs" and a "spine" inside the part. Start by glueing a few ribs (go easy on the liquid glue or you'll melt the thin vacuform plastic) of strip styrene to the inside of the part. If you continue the strips past the gluing edge of the part, you can use them as allingment keys and glueing strips. Then press in a ribbon of milliput epoxy putty to connect the ribs and act as a rigid spine along then centre of the part. The milliput dries rock hard and sticks to anything; It can also be drilled or built up to act as a solid support for a stand. The parts will now exhibit no flex and will be easier to allign, handle and sand.


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Tips database last updated 21 July 2014



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DISCLAIMER: These procedures and practices represent the recommendations of the members of the Starship Modeler readership. These ideas are not necesscessarily endorsed for their saftey or results by the staff of Starship Modeler. The reader assumes full responsibility for any and all results stemming from the application of the procedures and practices listed here.








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Previously updated on 9 May 2007 and 26 August 2014. Source last updated on 11 September 2022.

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This page copyright ©1999-2022 . Previously updated on 9 May 2007 and 26 August 2014. Source last updated on 11 September 2022.