原神武器升级材料谧林涓露和门禁好像聂。

 

difference(){union(){cylinder(2, 10,10, $fn=365);hull(){translate([15,0,0])cylinder(1,2,2,$fn=365);cylinder(1,10,10,$fn=365);}}translate([15,0,-1])cylinder(4,1,1,$fn=365);
}