Modeling Meat Grinder in Maya
Step 5
Buttom face extrude.

Step 6
Repeat Step 4.

Step 7
Select side faces and extrude them like on picture.

Step 8
Select faces.

Step 9
Extrude selected faces.

Buttom face extrude.

Repeat Step 4.

Select side faces and extrude them like on picture.

Select faces.

Extrude selected faces.
