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-rw-r--r--multimixer.scad23
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])