From 31b6ea83425704dfb492a633a2b01a6eead2f500 Mon Sep 17 00:00:00 2001
From: Florian Trabauer <florian@trabauer.com>
Date: Wed, 18 Oct 2023 20:28:17 +0200
Subject: [PATCH] Added a version of the baseplate to be mounted with
 counter-sunk screws.

It is based on the weighted version. I also changed the parameters to select the version to be a
string that can be used in the customizer with a dropdown widget.

https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Customizer
---
 gridfinity_baseplate.scad | 40 +++++++++++++++++++++++++++++++++++----
 1 file changed, 36 insertions(+), 4 deletions(-)

diff --git a/gridfinity_baseplate.scad b/gridfinity_baseplate.scad
index c2adf10..21d4c6b 100644
--- a/gridfinity_baseplate.scad
+++ b/gridfinity_baseplate.scad
@@ -3,15 +3,19 @@ include <gridfinity_modules.scad>
 
 xsize = 5;
 ysize = 3;
-weighted = false;
-lid = false;
 
-if (lid) {
+version = "plain"; // [plain, weighted, lid, woodscrew]
+
+
+if (version=="lid") {
   base_lid(xsize, ysize);
 }
-else if (weighted) {
+else if (version=="weighted") {
   weighted_baseplate(xsize, ysize);
 }
+else if (version=="woodscrew") {
+    woodscrew_baseplate(xsize, ysize);
+}
 else {
   frame_plain(xsize, ysize);
 }
@@ -36,6 +40,34 @@ module base_lid(num_x, num_y) {
 }
 
 
+
+module woodscrew_baseplate(num_x, num_y) {
+  magnet_od = 6.5;
+  magnet_position = min(gridfinity_pitch/2-8, gridfinity_pitch/2-4-magnet_od/2);
+  magnet_thickness = 2.4;
+  eps = 0.1;
+  
+  difference() {
+    frame_plain(num_x, num_y, 6.4);
+    
+    gridcopy(num_x, num_y) {
+      cornercopy(magnet_position) {
+        translate([0, 0, -magnet_thickness])
+        cylinder(d=magnet_od, h=magnet_thickness+eps, $fn=48);
+        
+        translate([0, 0, -6.4]) cylinder(d=3.5, h=6.4, $fn=24);
+        
+        // counter-sunk holes in the bottom
+        translate([0, 0, -6.41]) cylinder(d1=8.5, d2=3.5, h=2.5, $fn=24);
+      }
+      
+      //counter-sunk holes for woodscrews
+      translate([0, 0, -2.5]) cylinder(d1=3.5, d2=8.5, h=2.5, $fn=24);
+      translate([0, 0, -6.41]) cylinder(d=3.5, h=6.4, $fn=24);
+    }
+  }
+}
+
 module weighted_baseplate(num_x, num_y) {
   magnet_od = 6.5;
   magnet_position = min(gridfinity_pitch/2-8, gridfinity_pitch/2-4-magnet_od/2);