Adding Shadow to imported mesh

Questions
1

Hey there
I would like to know How to add shadow to imported mesh?
I have tried shadow genetator.

PG link :https://playground.babylonjs.com/#MSAHKR#38

2

I made a PG with shadow on your imported model:

You can use this to start from and find out what causes your issue.

3

Like this :

4

You have some errors in your callback because your mesh is named Circle and not mug_glb_itr4.

After tweaking a bit the light/mesh positions:

5

Thank you @Dad72 @Takemura @Evgeni_Popov