+ intersection(){
+ translate([-xm, 0]) circle(r=or);
+ translate([-(xm+or), -or]) square([xm+or, or*2]);
+ }
+ translate([-xm, -or]) square([xm, or*2]);
+ }
+ translate([-xm-or, 0])
+ square(center=true, [pump_side_width*4, pump_shaft_dia]);
+ }
+}
+
+module PumpSideElevation(){
+ x3 = 0;
+ x2 = x3 - baseplate;
+ x1 = x2 - pump_main_dia;
+ x0 = x1 - pump_side_width;
+ x2a = x2 - pump_protr_protr;
+
+ z0 = 0;
+ z1 = z0 - pump_side_thick;
+ z2 = z1 - pump_side_height;
+ z2a = z2 - pump_protr_slheight;
+ z2b = z2a - pump_protr_flat;
+
+ arcx = x2-x1;
+ arcy = z1-z2;
+
+ translate([x0,z1]) square([x1-x0, z0-z1]);
+
+ difference(){
+ translate([x1,z2]) square([x3-x1, z0-z2]);
+ translate([x1,z2]) scale([1,arcy/arcx]) circle(r=arcx);
+ }
+
+ translate([x2,z2a]) square([x3-x2, z0-z2a]);
+
+ hull(){
+ translate([x2,z2a]) square([x3-x2, z2-z2a]);
+ translate([x2a,z2b]) square([x3-x2a, z2a-z2b]);
+ }
+}
+
+module PumpSide(){
+ difference(){
+ intersection(){
+ translate([0,100,0])
+ rotate([90,0,0])
+ linear_extrude(height=200)
+ PumpSideElevation();
+ translate([0,0,-100])
+ linear_extrude(height=200)
+ PumpSidePlan();