more designs

seedling_pot.scad

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+pot_diameter = 40;
+pot_height = 50;
+small_dist = 0.01;
+wall_thickness = 0.8+small_dist;
+number_of_holes = 6;
+
+$fn=100;
+
+linear_extrude(wall_thickness)
+difference(){
+    circle(r=pot_diameter/2);
+    for (i=[0:number_of_holes-1]) {
+        rotate((360/number_of_holes)*i,[0,0,1])
+        translate([pot_diameter/4,0,0])
+        circle(r=pot_diameter/15);
+    }
+    
+}
+linear_extrude(pot_height)
+difference(){
+    circle(r=pot_diameter/2);
+    circle(r=pot_diameter/2-wall_thickness);
+}