 Click on  and Project
Open EngineeringSkate ParkRamp Up
Draw the 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 ramp in lines  as illustrated...
Draw the triangles
Draw the triangles 
for the ramp as illustrated...
Press Save to save the model
(click here to go back)
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