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Square to Circle Rule Sculpting Ruled Surfaces Sand the block faces flat Draw lines on the faces to form 2 datum plane Measure the dimensions to the nearest mm Draw a 1:1 dimensions projective drawing of the block 120 120 120 Finishing-up Activity – Straight Lines Composition

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square to circle rule

Square to Circle Rule

Sculpting Ruled Surfaces

finishing up
Sand the block faces flat

Draw lines on the faces to form 2 datum plane

Measure the dimensions to the nearest mm

Draw a 1:1 dimensions projective drawing of the block

120

120

120

Finishing-up
activity quadrangle to circle rule
Use the base of your block as the quadrangle

Cut the top of your block as you prefer, add the centre-line back after flattening the top

Draw a circle on the top, size and location as you prefer

Sculpt the transitional surface in between

Activity – Quadrangle to Circle Rule
activity quadrangle to circle rule7
Design a vase body by transforming a quadrangle to a circle

The form must compose of ruled surfaces only

You may use simple or compound surfaces

Focus on the control of silhouette and internal edges of your design to achieve a sense of order

Activity – Quadrangle to Circle Rule
activity quadrangle to circle rule12
Complete the transitional surface

Focus on the control of silhouette and internal edges of your design to achieve a sense of order

Use a fine black pen, mark all surface patch boundaries on the Styrofoam

Activity – Quadrangle to Circle Rule
activity quadrangle to circle rule13
Measure the final form and document your design by technical drawing

The drawing should contain enough information for others to reproduce your form in CAD without loosing your design intent

Activity – Quadrangle to Circle Rule