Initial commit

Signed-off-by: Jacob Kiers <jacob@jacobkiers.net>
2022-01-07 16:40:19 +01:00
commit 33efa98d66
4 changed files with 872 additions and 0 deletions
--- a/pump/pump.scad
+++ b/pump/pump.scad
@@ -0,0 +1,44 @@
+pump(4000, 10000, 1500);
+
+module pump(width=30, height=70, radius=10)
+{
+    base();
+    
+    piston();
+
+    module base() {
+        difference() {
+            cube(width, center=true);
+            translate([0,0, -width/2])
+                cylinder(h=width, r=radius);
+        }
+    }
+    
+    module piston() {
+            
+        function percent(base, p) =
+            p /100 * base;
+        
+        function hand_z() =
+            percent(width/2, 99) +
+            height - (height - width);
+        
+        function hand_height() =
+            width * 1.5;
+        
+        // Pump part
+        translate([0, 0, percent(width/2, 99)]) 
+            cylinder(
+                h=height-width,
+                r=percent(radius, 98)
+            );
+        
+        // Hand part
+        translate([-hand_height()/2, 0, hand_z()])
+            rotate([0, 90, 0])
+                cylinder(
+                    h=hand_height(),
+                    r=percent(radius, 30)
+                );
+    }
+}