include <../common.scad> include <./screws.scad> $fn=64; module baseFrame() { difference() { cube(size=[200,200,4], center=true); cube(size=[180,180,4], center=true); } translate(v=[80,80,0]) cube(size=[20,20, 4],center=true); translate(v=[-80,80,0]) cube(size=[20,20, 4],center=true); translate(v=[80,-80,0]) cube(size=[20,20, 4],center=true); translate(v=[-80,-80,0]) cube(size=[20,20, 4],center=true); } module lugBottom() { difference() { cube(size=[9.7,9.7,6], center=true); translate(v=[2,2,0]) cube(size=[9.1,9.1,5+1], center=true); } } module base() { difference() { union() { translate(v=[0,0,4/2]) baseFrame(); translate(v=[-90,-90,-6/2]) lugBottom(); mirror(v=[1,0,0]) translate(v=[-90,-90,-6/2]) lugBottom(); mirror(v=[0,1,0]) translate(v=[-90,-90,-6/2]) lugBottom(); mirror(v=[1,1,0]) translate(v=[-90,-90,-6/2]) lugBottom(); } union() { translate(v=[80,80,0]) cylinder(h = 100, r = m3ptr, $fn=32, center=true); translate(v=[-80,80,0]) cylinder(h = 100, r = m3ptr, $fn=32, center=true); translate(v=[80,-80,0]) cylinder(h = 100, r = m3ptr, $fn=32, center=true); translate(v=[-80,-80,0]) cylinder(h = 100, r = m3ptr, $fn=32, center=true); } } } base();