Scarfed the oak beams, glued them and then just drilled three 1mm holes and pushed a square 1mm mahogany strip through. Looks nice as a trenail? Hardly seen but fun to do.
Many thanks Uwek.When you have quiet hour and you are patient, I would use a pair of good twicers and some very small drops of super glue
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The light green one (thick) from Tidebond needs appr. 1 minute to dry ....enough time to correct if necessary