Tekna Chainsaw ES1250 Main Gear /Motoserra engrenagem principal

Main gear for Tekna ES1250 electric chainsaw.
Engrenagem principal para motoserra Tekna ES1250.
This is the second version, it seems it will do the job better than the original part.
It is recommended to always start the saw on free-run (not under any load).
Slice using Slic3r, Cura shows some bugs (current version), with a lot of unnecessary movements.
Recommended fine, >80% fill, slow (normal) speed movements settings on printer, 3 outer layers.