Originally Posted by
peteeng
Fusions optimisation system can just start with the parts you want to connect and it will evolve an optimised shape dependent on the rules you use for the algorithm. eg minimum mass, max stiffness, target weight, exclusion zones, even the manufacturing route (milling, 3D printing, etc are built in) if your serious with optimisation I think you need to move to Fusion. Peter
edit - it has created an arch because the ends are fixed and it has taken advantage of the foundations infinite stiffness. In reality your gantry is connected to a compliant structure and will need to be different....