First of all, you have to determine the work you want to do, and then search for the reference of the original painting. It would be better if we could find a multi-angle reference map. After confirmation, you can directly enter the 3D model making process.
First, make a low mold.
This step is called lifting, and Maya or 3ds Max can be used to build the basic low mode. Create a basic human model, which is convenient for the subsequent production of equipment and sculptures on the characters, and the number of faces is generally controlled very low, which is easy to handle.
Second, make clothes and equipment.
The model in the first step is imported into Maya to make clothes and equipment on the character. If a character has a lot of clothes and fabrics, it can also be calculated by md, and then the line is clamped to make a middle model.
Third, carry out high mold carving.
It is very time-consuming to put the middle model into ZBrush to carve and make the high model, which basically determines the effect of the final model, so it should be handled with caution.
Fourthly, the topological structure of high-order mode is transformed into low-order mode.
After carving, the number of high molds is generally high, millions or even higher. Such a model is generally difficult to import into the game engine, so it is necessary to use TopoGun topology to form a low model and import it into the engine.
Verb (abbreviation for verb) removes ultraviolet rays.
Low mode with good topology needs to extend UV for post-production mapping. You can use Maya or RizomUV, and pay special attention to the layout of UV in this step.
Sixth, baking
The function of this step is to map high modulus details to UV, and you can use toolbag to generate and export maps of high modulus details.
Seven, material diagram.
Use substance painter to paste the map on the low mold and draw a material map for the model, which makes the model look more realistic and display better.
Basically, it is the above seven-step process, which I believe you already know. If you want to learn a complete 3D modeling process, welcome to DCGART official website to find a suitable modeling course to study. In the "self-study course" module in official website, live broadcast of open classes, software installation videos and learning videos with learning needs; In the "work sharing" module, there are learning materials, etc. Official website also has a customer service girl to help you answer questions about 3D modeling learning, so that you can quickly understand 3D modeling and make a learning plan that suits you.