Reinforcement for Sleekform Austin chair

thingiverse

OpenSCAD code for the replacement dowel (8mm diam, 23mm len): $fn=50; minkowski(){ sphere(r=0.99); cylinder(h=20,r1=3,r2=3); } OpenSCAD code for the reinforcement (also need an M5 bolt, 40mm+ in length) $fn = 100; difference(){ union(){ translate([0,0,4]) cylinder(h=8,r=13.9/2, center=true); translate([0,20,0]) rotate([90,0,0]) linear_extrude(height=40) polygon([[-25,0],[10,0],[-25,17.5]]); } cylinder(h=100,r=7.9/2, center=true); }