Since there are too many faces in the HPM sculpted in Zbrush, there will be many problems in the animation, so I need to reduce the number of faces in the model by topology. I am using TopoGun, which is a professional topology software. First I imported the obj model I just exported from Zbrush into TopoGun.
I drew the auxiliary lines on the model, and then started retopo them according to the trend of the auxiliary lines.
Adjusting the mesh after drawing the preview mesh.
Click Generate Mesh after adjusting the preview mesh.
Topping up the lower part of the helmet.
Select all vertices on the edge and align them along the x-axis.
Import to Blender and then symmetrical along the x-axis.
5.28 Update, I was not very happy with the results of the previous topology, so I reworked the model.Here are some of the processes.