Ventive for Fireplace

thingiverse

include <overrides.scad> aa=1.5; ee=[[aa,0,-0.5],[aa,0,-0.2]]; ff=[for(i=[-0.2:0.1:0.5]) [-i*i*6 -8*i,0,i]]; gg=concat(ee,ff); difference(){ tube([50,50,7], $fn=40, edge=gg); tube([40,40,7], $fn=40); } module slat(length=44){ move([0,0,7/2], rVec=[90,0,60]) tube([7,3,length], $fn=80, basexy=false); } move([11,0,0]) slat(36); move([0,0,0]) slat(40); move([-11,0,0]) slat(36); /* move([0,0,-7]) difference(){ tube([44,44,7], $fn=40); tube([40,40,7], $fn=40); } */