Open your CAD software
Create or import the solid model
Select the solid body
Choose the placement or move tool
Set the target position or reference geometry
Align the...
Identify the models to merge
Ensure the models are compatible in architecture and input/output shape
Load the models into your environment
Decide the merge method
Merge weights, layers,...
Start with a clean base mesh
Use proper topology
Keep geometry evenly distributed
Avoid stretched polygons
Subdivide gradually
Build primary forms first
Refine secondary forms next
Add details last
Use Dynamesh for...