this render file made in autodesk fusion.
Step 1: create a model step by step
step 1 create a mouse side shape using line tool in front view.
step 2 extrude that shape using extrude tool.
step 3 going to top view and create a square using line or rectangle tool. shape corner using fillet tool
step 4 extrude that shape using extrude tool.
step 5 move that that square below the mouse using move tool.
step 6 now right click & select appearance to give material properties to model.
step 7 now go to render. select canvas render. set render parameter to fine.