var x = 42;
module name() {}
if (x > 0) {}
for(var i = [1:10]) {}
[1, 2, 3]
+ - * /
< <= > >= == !=
&& || !
vector[number]
sphere(radius);
cube(size);
cylinder(radius, height);
translate([x,y,z]) {}
rotate([x,y,z]) {}
scale([x,y,z]) {}
union() {}
difference() {}
smooth_union(r) {}
smooth_difference(r) {}
smooth_union(0.1) { sphere(1); translate([0.8, 0, 0]) sphere(0.7); }