add: big box and another chopstick holder

- Parameterize internal diameter

old_stuff/origami_dispenser.scad

@@ -0,0 +1,21 @@
+module base(paper_size = 150, height = 30) {
+    thickness = 2;
+    tolerance = 0.001;
+    cube([paper_size + 2 * thickness, paper_size + 2*thickness, thickness]);
+    module edge(length = paper_size) {
+    cube([thickness, length,height]);
+    }
+    
+    translate([0,0,thickness - tolerance])
+    edge(paper_size + 2 *thickness);
+    
+    translate([thickness,thickness,thickness - tolerance])
+    rotate([0,0,-90])
+    edge();
+
+    rotate([0,0,-90])
+    translate([-paper_size - 2* thickness ,thickness,thickness - tolerance])
+    edge();
+}
+
+base();

old_stuff/slideclip_slide.scad

@@ -0,0 +1,16 @@
+$length = 100;
+$diameter_slider = 5;
+$diameter = $diameter_slider + 3;
+$slack = 0.6;
+$stopper = 3;
+
+$fn = $preview ? 32 : 64;
+
+rotate([0,90,0])
+difference () {
+cylinder($length + $stopper, $diameter/2, $diameter/2);
+translate([0,0,$stopper+0.001])
+cylinder($length, $diameter_slider / 2 + $slack, $diameter_slider / 2+ $slack);
+translate([-$diameter/2,0,$length/2 + $stopper + 0.001])
+cube([$diameter/2,2,$length], center = true);
+}

old_stuff/slideclip_slider.scad

@@ -0,0 +1,14 @@
+$length = 100;
+$diameter_slider = 5;
+$diameter = $diameter_slider + 5;
+$slack = 0.6;
+$stopper = 3;
+
+$fn = $preview ? 32 : 64;
+
+rotate([0,90,0])
+cylinder($length, $diameter_slider/2, $diameter_slider/2);
+
+rotate([0,90,0])
+translate([0,0,$length - 0.001])
+cylinder($stopper, $diameter/2, $diameter/2);

readme.md

@@ -1,3 +1,8 @@
 # Some Tests Files
 
 This repository contains some 3D files I made, mostly simple.
+
+They are made either with [FreeCAD] or [openSCAD].
+
+[FreeCAD]: https://www.freecad.org/ "FreeCAD"
+[openSCAD]: https://openscad.org/ "openSCAD"