Blender tool: minor fixes
Blender tool: minor fixes

projectchrono/chrono,projectchrono/chrono,rserban/chrono,rserban/chrono,rserban/chrono,dariomangoni/chrono,dariomangoni/chrono,rserban/chrono,rserban/chrono,projectchrono/chrono,projectchrono/chrono,projectchrono/chrono,rserban/chrono,rserban/chrono,dariomangoni/chrono,dariomangoni/chrono,dariomangoni/chrono,dariomangoni/chrono,projectchrono/chrono