laying flat into print position

1 files changed, 22 insertions, 1 deletions

diff --git a/multimixer.scad b/multimixer.scad
index 88fd6bf..0893457 100644
--- a/multimixer.scad
+++ b/multimixer.scad
@@ -38,7 +38,28 @@ module multimixer(
  
  //translate([pf_d(pf)/2+shell,0,0])
  //translate([0,0,l_output+pushfit_h])
- difference() {
+ module laydown(dia) {
+  r = dia/2;
+  h_bottom = l_output+pushfit_h;
+  /* The top point on the cylinder that will touch the bed */
+  x0 = r*cos(angular_step/2);
+  y0 = r*sin(angular_step/2);
+  z0 = l_input+pushfit_h;
+  /* The same point after rotation by "angle" around Y axis */
+  x1 = z0*sin(angle)+x0*cos(angle);
+  y1 = y0;
+  z1 = z0*cos(angle)-x0*sin(angle);
+  ax1 = atan(y1/x1);
+  /* And its x-coordinate after final "angular_step/2" Z-rotation */
+  ax2 = ax1-angular_step/2;
+  x2 = x1*cos(ax2)/cos(ax1);
+  laydown_angle = atan((x2-r)/(z1+h_bottom));
+  rotate([90-laydown_angle,0,0])
+   translate([0,r,h_bottom])
+    rotate([0,0,angular_step/2-90])
+     children();
+ }
+ laydown(dia=pushfit_d+shell*2) difference() {
   hull() {
    forinputs()
     translate([0,0,l_input+pushfit_h]) mirror([0,0,1])