CreateMeshBuilder,
AddVertex, -0.18, -0.18, -0.2
AddVertex, -0.18, 0.18, -0.2
AddVertex, 0.18, 0.18, -0.2
AddVertex, 0.18, -0.18, -0.2
AddFace, 0,1,2,3

LoadTexture,call.png
SetTextureCoordinates,0,0,1
SetTextureCoordinates,1,0,0
SetTextureCoordinates,2,1,0
SetTextureCoordinates,3,1,1
SetDecalTransparentColor,0,0,0