 Click on  and Project
Open EngineeringSkate ParkStair Ramp
Draw the stair and ramp
 Create each model 100 x 100 is size
Put the origin (point 0) in the centre of the model (-50 to the left, 0 in the middle, and 50 to the right)
Draw  the stair and ramp in lines  as illustrated...
Draw the triangles
Draw the triangles 
for the stair and ramp as illustrated...
Press Save to save the model
(click here to go back)
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