Tutorial how to make engine part 19

Carter 4
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Step 1:
use move-copy- body command
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Step 2:
go on like this
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Step 3:
use same command again
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Step 4:
open a sketch on blue surface
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Step 5:
use section view command..
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Step 6:
use convert entities command
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Step 7:
use trim command and trim this lines
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Step 8:
add a 70mm radiused circle
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Step 9:
trim the sketch
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Step 10:
extrude it
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Step 11:
use move-copy body command
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Step 12:
go on like this
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Step 13:
copy last part