Hello friends I will show how create a stock vector illustration 3d Business card holder images tutorial.
I have used following techniques shown below in this 3ds max tutorial.

[1]-Choose the Line and create shape like this in the left view port
    Apply the extrude modifier with the amount of 297.0
stock-vector-illustration-3d-Business_card_holder-images1

stock-vector-illustration-3d-Business_card_holder-images2

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[2]-Place the object like this
stock-vector-illustration-3d-Business_card_holder-images4

[3]-Select the veretex and apply the fillet :2.0
stock-vector-illustration-3d-Business_card_holder-images5

stock-vector-illustration-3d-Business_card_holder-images6

[4]-Your vertex should like this
stock-vector-illustration-3d-Business_card_holder-images7

[5]-Your object should like this
stock-vector-illustration-3d-Business_card_holder-images8

[6]-Select the object and convert into the editable poly now select the edges
    Apply the Chamfer edges with the amount of 0.58
stock-vector-illustration-3d-Business_card_holder-images9

stock-vector-illustration-3d-Business_card_holder-images10

stock-vector-illustration-3d-Business_card_holder-images11

[7]-Your object should like this
stock-vector-illustration-3d-Business_card_holder-images12

[8]-Create more boxes with the following size
stock-vector-illustration-3d-Business_card_holder-images13

stock-vector-illustration-3d-Business_card_holder-images14

[9]-Create the materials like me
stock-vector-illustration-3d-Business_card_holder-images15

[10]-Set the skylight like this with the following parameters
stock-vector-illustration-3d-Business_card_holder-images16

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[11]-This is the final result