| -rw-r--r-- | another.scad | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/another.scad b/another.scad index 342d70c..2ea5417 100644 --- a/another.scad +++ b/another.scad @@ -43,6 +43,7 @@ module the_extruder( idler_screwhead_d=6, idler_screwhead_h=3, pf = pushfit_embeddest, + pf_shell = max(3*layer_height,3*extrusion_width), // empty spaces idler_travel = 3, // how far should idler travel when pressed @@ -244,10 +245,23 @@ module the_extruder( // pushfit bracket translate([0,0,filament_elevation]) - rotate([0,0,45]) translate([pulley_d/2,0,0]) + rotate([0,0,45]) translate([(pulley_d-filament_path_d)/2,0,0]) rotate([-90,0,0]) - translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/]) - cylinder(r=min(body_h-filament_elevation,filament_elevation)/sin(60)-epsilon,h=pf_h(pf)+gearbox_d/2/*TODO:*/,$fn=6); + translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/]) { + pfb2a = pf_d(pf)+2*pf_shell; pfba = pfb2a/2; + pfbd = pfb2a/cos(30); + pfbs = pfb2a*tan(30); + pfbl = pf_h(pf)+gearbox_d/2/*TODO:*/; + cylinder(d=pfbd,h=pfbl,$fn=6); + translate([-pfbs/2,0,0]) { + hull() { + translate([0,-pfba,0]) cube(size=[pfbs,pfb2a,pfbl]); + cube(size=[pfbs,filament_elevation,pfbl-filament_elevation+pfba]); + mirror([0,1,0]) + cube(size=[pfbs,body_h-filament_elevation,pfbl-body_h+filament_elevation+pfba]); + } + } + } }//union (first child of difference) // protrusion @@ -265,7 +279,7 @@ module the_extruder( }//for // pushfit translate([0,0,filament_elevation]) - rotate([0,0,45]) translate([pulley_d/2,0,0]) + rotate([0,0,45]) translate([(pulley_d-filament_path_d)/2,0,0]) rotate([-90,0,0]) translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon]) rotate([0,0,180]) { |