From 63766572b09d0ad0719260da1ebe53dd6f3f1942 Mon Sep 17 00:00:00 2001
From: Nicolas Forquet <nicolas.forquet@irstea.fr>
Date: Thu, 19 May 2022 14:04:48 +0200
Subject: [PATCH] start to move the TSS lysimeter design to openscad
---
TSS_lysimeter/SS_lysimeter.scad | 51 +++++++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)
create mode 100644 TSS_lysimeter/SS_lysimeter.scad
diff --git a/TSS_lysimeter/SS_lysimeter.scad b/TSS_lysimeter/SS_lysimeter.scad
new file mode 100644
index 0000000..fda6474
--- /dev/null
+++ b/TSS_lysimeter/SS_lysimeter.scad
@@ -0,0 +1,51 @@
+// parameters for final rendering
+//$fa = 1;
+//$fs = 0.4;
+
+bottom_plate_radius = 105;
+bottom_plate_height = 5;
+bottom_plate_edge_height = 5.2;
+bottom_plate_edge_thickness = 4.8;
+bottom_plate_slot_depth = 2;
+bottom_plate_slot_width = 3.6;
+bottom_plate_hole_radius = 10;
+
+// bottom plate design
+
+union(){
+ difference(){
+ // the plate
+ cylinder(h=bottom_plate_height, r=bottom_plate_radius, center = true);
+ //body slot
+ difference(){
+ translate([0,0,bottom_plate_height-bottom_plate_slot_depth])
+ cylinder(h=bottom_plate_slot_depth, r =bottom_plate_radius - bottom_plate_edge_thickness, center = true);
+ translate([0,0,bottom_plate_height-bottom_plate_slot_depth])
+ cylinder(h=bottom_plate_slot_depth, r =bottom_plate_radius - bottom_plate_edge_thickness - bottom_plate_slot_width, center = true);
+ }
+ //holes in the bottom plate
+ cylinder(h = bottom_plate_height, r = bottom_plate_hole_radius, center = true);
+
+ for (i=[1:1:2]){
+ n = 8 +(i-1)*6;
+ step = 360/n;
+ r = 40*i;
+ for (angle=[0:step:359]){
+ dx = r*cos(angle);
+ dy = r*sin(angle);
+ translate([dx,dy,0])
+ cylinder(h = bottom_plate_height, r = bottom_plate_hole_radius, center = true);
+ }
+ }
+ }
+
+
+ // the edge
+ difference(){
+ translate([0,0,bottom_plate_height])
+ cylinder(h=bottom_plate_edge_height, r=bottom_plate_radius,center = true);
+ translate([0,0,bottom_plate_height])
+ cylinder(h=bottom_plate_edge_height, r=bottom_plate_radius - bottom_plate_edge_thickness, center = true);
+ }
+}
+
--
GitLab