Available formats:
1.COLLADA (.dae).
2.OBJ.
3.Shadow Map.
4.UV Map.
Round hole in Shamrock Low-poly 3D model : https://www.cgtrader.com/3d-models/architectural/decoration/round-hole-in-shamrock
Square hole in Shamrock Low-poly 3D model : https://www.cgtrader.com/3d-models/interior/other/square-hole-in-shamrock