Ramp and Platform model problem.
 

I took a little time tonight and drew up the Ramp and Platform in Inventor. I just wanted to let everyone know, the dimensions for the space between the Ramp supports is incorrect. the actual dimensions are 21.5 inches from centers, not 17.875 inches. I have attached a screen of the ramp completed in Inventor 5 (all I have available to me at this time of night) and I have also included a screen of the joint between the ramp and platform, the clear-ish piece is currently 1/8 of an inch thick although I believe it is supposed to be around 3/32 of an inch. it is also shortened 5/8 of an inch and I am still getting the over lap, any ideas? If anyone would like the files they can PM me and I will try to get them to you. The assembly file is a little crude when it comes to constraints, but for all general purposes it gets the job done.

JT
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Re: Ramp and Platform model problem.
 

I have not CADed it up my self, but in your picture, I do not see the 30 degree angle on the end of the ramp support (part #9).