| -rw-r--r-- | another.scad | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/another.scad b/another.scad index 4a9fc01..8fd9356 100644 --- a/another.scad +++ b/another.scad @@ -49,3 +49,2 @@ module the_extruder( pf_smooth = true, - pf_guidelen = 3, // the length of ptfe guide before pushfit @@ -67,2 +66,3 @@ module the_extruder( min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. + min_xy_shell = 2*extrusion_width, @@ -313,2 +313,3 @@ module the_extruder( // pushfit + pf_offset = mount_d/sqrt(2)/2+mount_screw_d; translate([0,0,filament_elevation]) @@ -316,3 +317,3 @@ module the_extruder( rotate([-90,0,0]) - translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon]) + translate([0,0,pf_offset]) rotate([0,0,180]) { @@ -320,15 +321,9 @@ module the_extruder( mirror([0,0,1]) { - translate([0,0,-epsilon]) - teardrop(d=filament_guide_d,h=pf_guidelen+epsilon,angle=225); - nl = 3.5; /* TODO: */ - translate([0,0,pf_guidelen-1]) - teardrop(d=filament_path_d,h=nl+2,angle=-225); fh = (filament_guide_d-filament_path_d)/2; - union() { - translate([0,0,pf_guidelen+nl]) - cylinder(d1=filament_path_d,d2=filament_guide_d,h=fh,$fn=fnd*filament_guide_d); - translate([0,0,pf_guidelen+nl+fh-epsilon]) - teardrop(d=filament_guide_d,h=gearbox_d/2,angle=225); - } - } + fo = pf_offset-(idler_d+idler_clearance)/2-fh; + translate([0,0,-1]) teardrop(d=filament_guide_d,h=fo-extrusion_width+1,angle=225); + translate([0,0,-1]) teardrop(d=filament_path_d,h=gearbox_d/2+1,angle=-225); + translate([0,0,fo+epsilon]) + cylinder(d1=filament_path_d,d2=filament_guide_d,h=fh,$fn=fnd*filament_guide_d); + }//mirror }//rotate translate rotate translate rotate translate |