I will reduce the files 3d

I will create your design 2D,logo,STL,OBJ,SVG,transparent buckground,

and I review 3D design

Some problems at a glance I solve for you

 Delete unnecessary shells or mesh;

 Closing holes

 Fixing wall thickness

 Slicing/Splitting of large 3d model

 Some problems at a glance I solve for you

 Delete unnecessary shells or mesh;

 Closing holes

 Shrink or enlarge 3d model  

 Fixing wall thickness

 Slicing/Splitting of large 3d model

 Delete auto-intersections

 Correctly orient your model's surfaces

 Creating shell or hollow out 

 Make a solid object from Hollow out 3d model