linear_extrude (height=7) import (file="all.dxf", layer="bar-for-endstop-0-5", $fn=100); translate([0,0,4.99]) linear_extrude (height=2) import (file="all.dxf", layer="bar-for-endstop-5-8", $fn=100); translate([0,0,6.98]) linear_extrude (height=20) import (file="all.dxf", layer="bar-for-endstop-8-15", $fn=100);