Does anyone have a good technique for filling the gap between the inner wheel arches on the chassis and the wheel wells on the body. I have tried extending the wheel arch to meet the body with styrene, but I don't know how to make an accurate template of the contours of the inside of the body so that the wheel arch extension fits flush against the inside of the body.
The gap that I am trying to fill can be seen here between the white coloured inner wheel arches and the body.
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The gap can also be seen here
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Thanks
Matt.