Modelling putty is the defacto tool/material used to fill seams and gaps.

The problem with putty is having to wait for it to dry. And when it does, it frequently shrinks, thus requiring repeated applications.

This video shows the superglue + baking powder method, employed to fill a small seam.

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Related notes :

• Putty

  • easily applied

  • easily sanded

  • may shrink in large amounts

  • needs time to dry and harden

  • better for small, shallow depressions

  • apply in thin layers to minimise shrinkage and allow thorough drying

  • time-consuming

• Superglue + powder

  • easily applied

  • must sand soon, or else will be harder than surrounding plastic

  • does not shrink

  • immediately hardens

  • apply in thin layers to allow thorough drying

  • quick and easy