Oscar Reutersvärd 46

Front- and backside

Topview

Oscar Reutersvärd 47

Front- and backside

Topview

First Try

97.5% of perspective. First try :)

Ned Beebe 2

One edge

Oscar Reutersvärd 48

Front- and backside

Perspective

Oscar Reutersvärd 50

No backside is able

Perspective

Oscar Reutersvärd 51

Front- and backside

Topview

Oscar Reutersvärd 52

Front- and backside

Topview

Oscar Reutersvärd 53

Topview

Oscar Reutersvärd 54

Front- and "able" backside.

Perspective

Oscar Reutersvärd 55

Pespective

Oscar Reutersvärd 56

Front- and backside

Topview

Oscar Reutersvärd 57

Topview

Anatoly Konenko 6

Front- and backside

Topview

Oscar Reutersvärd 58

Perspective

Hosé María Yturralde 1

Innercube must be done with 40 mm² instead of 30 mm²

Topview

Material I Own 2

Perspective

Material I Own 3

Front- and backside

Topview

Material I Own 4

Front- and backside

Topview

Material I Own 5

Front- and backside

Topview

Material I Own 6

Front- and backside

Topview

Vicente Meavilla Seguí f265

Perspective

Impossible Crossing

Illustration by Oscar Reutersvärd

Click on the photos for more information.

Bruno Ernst

Frontview

Backsideview

Vladislav Konenko

Tabled

Oscar Reutersvärd

Backview

Frontview

Variation of Osar Reutersvärd

Vladislav Alexeev 4

Perspective

Oscar Reutersvärd 60

There is a problem, if it´s done for front- and backside.

Topview

Oscar Reutersvärd 61

Topview

Oscar Reutersvärd 62

Michael Cheshire 2

Perspective

Michael Chesire 3

Backside

Perspective

Material I Own 2 with backside

Topview

Michael Chesire 4

Stanislav Konenko has drawn it impossible. If it´s done the possible way, two sides and two edges are the result. The variation is single sided, one edge.

U For You

4 sides

O-Bar

Celtic Knot

Credits unknown