True face angle

True Mitre angle

FACE

Hopper bevels are made up of Compound Mitres. These are angled on both the face and the edge of boards as in the hopper exercise used in

this Presentation

EDGE

PIVOT POINT

Typical hopper shape

PIVOT POINT

We lay a side down to get a view of it from

above

PIVOT POINT

PIVOT POINT

PIVOT POINT

PIVOT POINT

PIVOT POINT

We look at it from above so we can project down and create a plan view or True Shape of

the side

True

Shape

of

Side

We look at it from above so we can project down and create a plan view or True Shape of

the side

OFF SET

HEIG

HT

Extend the base line

Pivot point

= thickness of side material

Pivot point

2

2

1

1

= thickness of side material

Pivot point

Pivot point

= thickness of side material

2

2

1

1

Join 1 to 2

Pivot point

2

2

1

1

Join 1 to 2

3

Bring up point 3 to the

thickness line

= thickness of side material

Pivot point

2

2

1

1

Join 1 to 2

3

Join pivot point to new

point 3

= thickness of side material

Pivot point

2

2

1

13

3

Drop down lines

2

2

1

13

3

1

21

3

PP hasn’t moved

2

2

2

1

13

3

1

21

3

PP hasn’t moved

2

2

2

1

13

3

PP hasn’t moved

2

2

1

3

true th

ickness of m

aterial

2

2

1

3

1

true th

ickness of m

aterial