Hi, I am leaving it here thought it might be helpful for the community. If your are looking for sculpting custom obj models then you can checout ShapeWorks Steam link: https://store.steampowered.com/app/1148910/ShapeWorks/ It offers easy sculpting, you can sculpt using tablet or mouse with fluidity, has over 600 3d models and kitbashing units to mix and merge to readily create custom charcaters, guns etc. Additionally it has over 4,500 alphas for adding fine details to your models like alien skin, dragon scales, hairs, facial hairs, scifi hard scurfaces...etc.. Kind Regards