I installed lattice bracing for the Nylon model. Lattice bracing is made by European red spruce same as the top material. I have been using the vacuum clamping system for the gluing process for the lattice. Vacuum clumping is able to apply stronger and uniform pressure for the clumping. Also, the water based glue cures much faster in the vacuum environment. 20-minits is enough to apply clumping force for the lattice install. After install the lattice, I shaved the lattice brace as a triangle cross section to minimize weight. This is a time consuming process; however, removing excess bracing materials improves sound quality dramatically.
I also made a sound hole, and installed a Rosetta. Rosetta has a simple black-white-black border design. Outside trim for the Rosetta is Ebony. Internal borders are made by maple and black dyed maple. This nylon model has an unique offset oval sound-hole that works as conventional sound hole and sound side port. Also, this offset sound hole layout generates much stronger buss tone no matter what bracing pattern is used.
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