| -rw-r--r-- | multimixer.scad | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/multimixer.scad b/multimixer.scad index 80f41f1..c7b3489 100644 --- a/multimixer.scad +++ b/multimixer.scad @@ -14,6 +14,8 @@ module multimixer( pf = pushfit_embeddest, debug = 0, // how many inputs -1 the debug cutout spans print = false, + + liner_d_tolerance=.2 ) { fnd = 4*PI; fnr = 2*fnd; @@ -22,13 +24,14 @@ module multimixer( angular_step = 360/inputs; inputogon_angle = 180*(inputs-2)/inputs; + lod = liner_od+liner_d_tolerance; // effective liner diameter sinsin = sin(angle)*sin(angular_step/2); function l_to(d) = d*cos(asin(sinsin))/sinsin; - l_output = liner_od; + l_output = lod; l_input = l_to(pushfit_d/2+minshell); l_fork = l_to(liner_id/2); - l_narrow = l_to(liner_od/2+minshell); + l_narrow = l_to(lod/2+minshell); module forinputs() { for(zr=[0:angular_step:359]) rotate([0,0,zr]) rotate([0,angle,0]) children(); @@ -76,15 +79,15 @@ module multimixer( forinputs() { translate([0,0,l_input]) pushfit(pf); translate([0,0,l_narrow]) { - cylinder(d=liner_od,h=l_input+1-l_narrow,$fn=liner_od*fnd); + cylinder(d=lod,h=l_input+1-l_narrow,$fn=lod*fnd); mirror([0,0,1]) translate([0,0,-epsilon]) - cylinder(d1=(liner_id+liner_od)/2,d2=liner_id,h=liner_id,$fn=liner_od*fnd); + cylinder(d1=(liner_id+lod)/2,d2=liner_id,h=liner_id,$fn=lod*fnd); } cylinder(d=liner_id,h=l_input+epsilon,$fn=liner_id*fnd); } foroutput() { translate([0,0,l_output]) pushfit(pf); - cylinder(d=liner_od,h=l_input+1,$fn=liner_od*fnd); + cylinder(d=lod,h=l_output+1,$fn=lod*fnd); } hull() { forinputs() |