Fix of incorrect color print preview due to the tbb::parallel_for not respecting the grain size exactly. Also the tool path generation has been optimized to launch less threads and to produce larger vertex buffers.
Fix of incorrect color print preview due to the tbb::parallel_for
not respecting the grain size exactly.
Also the tool path generation has been optimized to launch less
threads and to produce larger vertex buffers.

prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r