trackpump-mutlihead-clip: new slopy baseplate, wip

[reprap-play.git] / trackpump-mutlihead-clip.scad

diff --git a/trackpump-mutlihead-clip.scad b/trackpump-mutlihead-clip.scad
index 9302596b9324687ff89cc60057da6de9da7163f9..5521392030984283a2ebe71eba6394cad63bc6a4 100644 (file)
--- a/trackpump-mutlihead-clip.scad
+++ b/trackpump-mutlihead-clip.scad
@@ -2,9 +2,9 @@
 
 pump_main_dia = 38;
 pump_side_width = 5;
-pump_side_thick = 5;
+pump_side_thick = 4;
 pump_shaft_dia = 14;
-baseplate = 4;
+baseplate = 3;
 
 pump_protr_flat = 3;
 pump_protr_slope = 0.9;
@@ -14,7 +14,8 @@ hose_aperture = 11;
 hose_side_width = 5;
 hose_base_offset = 30;
 
-hose_side_thick = 5;
+hose_side_thick = 6;
+hose_side_stalk_width = 6;
 
 pump_protr_protr = 3;
 pump_side_height = 20;
@@ -24,10 +25,18 @@ pump_protr_slheight = pump_protr_protr / pump_protr_slope;
 
 pump_side_outer_rad = pump_side_width + pump_main_dia/2;
 
+baseplate_width_rad =
+  sqrt( pow(pump_side_outer_rad, 2)
+       -pow( pump_main_dia/2 - pump_protr_protr, 2) );
+
+xm = baseplate + pump_main_dia/2;
+
+pump_side_total_height =
+  pump_side_thick + pump_side_height + pump_protr_slheight + pump_protr_flat;
+
 $fa=5;
 
 module PumpSidePlan() {
-  xm = baseplate + pump_main_dia/2;
   or = pump_side_outer_rad;
   difference(){
     union(){
@@ -35,7 +44,6 @@ module PumpSidePlan() {
        translate([-xm, 0]) circle(r=or);
        translate([-(xm+or), -or]) square([xm+or, or*2]);
       }
-      translate([-xm, -or]) square([xm, or*2]);
     }
     translate([-xm-or, 0])
       square(center=true, [pump_side_width*4, pump_shaft_dia]);
@@ -74,15 +82,32 @@ module PumpSideElevation(){
 }
 
 module PumpSide(){
+  br = baseplate_width_rad;
+  brs = baseplate_width_rad/2;
+
   difference(){
     intersection(){
       translate([0,100,0])
        rotate([90,0,0])
        linear_extrude(height=200)
-      PumpSideElevation();
-      translate([0,0,-100])
-       linear_extrude(height=200)
-       PumpSidePlan();
+       PumpSideElevation();
+      union(){
+       translate([0,0,-100])
+         linear_extrude(height=200)
+         PumpSidePlan();
+       // baseplate
+       hull(){
+         mirror([0,0,1])
+           translate([-xm, -brs, 0])
+           cube([xm,
+                 brs*2,
+                 1]);
+         translate([-xm, -br, -pump_side_total_height])
+           cube([xm,
+                 br*2,
+                 pump_protr_flat]);
+       }
+      }
     }
     translate([-(baseplate + pump_main_dia/2), 0,
                -(pump_side_thick + pump_side_height)])
@@ -93,14 +118,15 @@ module PumpSide(){
 module HoseSidePlan(){
   ro = hose_inner_dia/2 + hose_side_width;
   ri = (hose_inner_dia/2);
+  st = hose_side_stalk_width/2;
 
   apx = sqrt( ri*ri - (hose_aperture*hose_aperture)/4 );
   apsq = hose_base_offset + apx - hose_aperture/2;
   echo(apx,apsq);
 
   difference(){
-    hull(){
-      translate([-1, -ro]) square([1, ro*2]);
+    union(){
+      translate([-1, -st]) square([hose_base_offset+1, st*2]);
       translate([hose_base_offset, 0]) circle(r= ro);
     }
     translate([hose_base_offset, 0]) circle(r= hose_inner_dia/2);
@@ -132,5 +158,5 @@ module ClipPrint(){
 //PumpSidePlan();
 //PumpSide();
 //HoseSide();
-Clip();
-//ClipPrint();
+//Clip();
+ClipPrint();