 Click on  and Project
Open Child ModelsSpiral StairsStep
Draw points
 Draw a point starting at  10
Copy (hold CONTROL key) and turn / rotate  the point
by  (20) degrees each to create the centre column, as illustrated
Draw lines
Press Lines to draw lines
Draw the line as illustrated (as a single line)
Draw points
Draw a point at 50
Draw a point at 47
Pick the points
Press Pick as the action
Select the last 2 points (19 and 20 in our model)
Copy and rotate
Point 0 will be the centre of the rotation...
Copy (hold CONTROL key) and turn / rotate the points
by (5) degrees, as illustrated
Draw lines
Press Lines to draw lines
Draw the line as illustrated (as a single line)
Copy the lines
Press Move as the action
Copy (hold CONTROL key) and move the lines
up to 8
Move the line
Press Move as the action
Select the line of the step base as illustrated
Move the line
up to 5
Copy points
Select the 2 points under the step (1 and 2 in our model)
Copy (hold CONTROL key) and move the points
down to 0
Draw triangles
Press Triangles to draw triangles
Draw the triangles on the coloumn as illustrated
Also draw triangles around the edge of the step...
Pick the points
Rotate the view as illustrated
Press Pick as the action
Select the bottom row of points that we have not used yet...
Move the points
Press Move as the action
Move the points
up to 49 as illustrated
Copy the step edge
Press Move as the action
Select the 5 points at the outside top edge of the step...
Copy (hold CONTROL key) and move the points
up to 49 as illustrated
Draw the handrail
Draw lines on each side of the handrail
Press Move as the action
Move the 2 points
at the start of the handrail down (8) as illustrated
Draw another line from the bottom (start) of the handrail to the top as illustrated (as a single straight line)
Move the handrail points
Move the other points
down to line up with the straight line of the handrail (close is ok)
Delete the straight lines
Copy the lines
Press Move as the action
Copy (hold CONTROL key) and move the handrail lines
down (2)
Draw triangles
Press Triangles to draw triangles
Draw the triangles for the handrail
Also draw triangles for the top and bottom of the step...
Press Move as the action
Select the 2 points as illustrated...
Copy the points
Copy (hold CONTROL key) and move the points
down to top of the step as illustrated
Move the higher point down
Move the higher point
down to line up with the top of the step
Draw lines
Press Lines to draw lines
Draw lines for the handrail post as illustrated
Draw triangles
Press Triangles to draw triangles
Draw the triangles for the handrail post
Delete the lines we used to create the column...
Press Save to save the model
(click here to go back)
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