I took inspiration from Half_Pint_FB on Thingaverse, but those models took to much filament. So I designed my own Mini section, Vert section, Bank with parking block, and a Spine. All of this is modular and can be laid out whatever way you want. 

I printed in PETG, but any filament will work. All the ramp parts except the flats were oriented on their sides and tree supports. '