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Dave R

Here's a picture of the engine in my car. Can you tell me why it won't start?

I looked at your PDF and can't tell enough from it to answer either of your questions. If I could have I wouldn't have asked for your SketchUp model file.

You can set up a free Drop Box account and there are plenty of other file sharing services out there.

Leggy

ok ive uploaded it to google drive what do I have to do so you can see it

Dave R

Share the link to it.

Leggy

I tried putting in Dave R and nothing happened

Dave R

Copy the link and paste it into a reply here.

Leggy

/Users/deanlegg/Downloads/Copy of ian bottom bracket 2dwg.dwg

Dave R

Two problems with that.

That is a link to a file on your computer! There's no way I can access that from my computer.
It's a link to a .dwg file, not a SketchUp file.

If you want help reproducing the SketchUp file, you need to share that file. I'm not sure why you seem to be having such a difficult time with this but it's making it impossible to help you.