What bridge design is best?
I need to design a bridge for a project but it has to be made out of MDF that is 20cm x 33cm x 3mm MDF that is 3mm x 3mm x anything hot glue and string. It has to be strong, span 60cm have a 30cm clearance and be 20cm wide. It can have no supports and not attach to the ground. The wide MDF can only be used for the road and you cannot layer it.