All tests passed. We can increase vertex count and even texture sizes. https://imgur.com/a/6AoCgTZ   (1) I found there are two ways to increase vertex count. This is howto picture:   (2) I also confirmed increasing texture size is possible (to use 2K body texture), by applying similar method to texture data block in TMCL file. The new texture sizes/offsets need to be written on TTGL in TMC file.   You can find more info about TMC/TMCL format in Zenhax fo