Ramps or bridges to go over baby gate bar?

I have a baby gate up between rooms that can’t be taken down every time I need to run my robot. Any suggestions for building a ramp or bridge for the robot to go over it? I built one with 2 pieces of a rubber wheel chair ramp, but one side is just high enough it won’t climb over.

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Hello,  we recommend that the ramp angle be less than 12 degrees.