Add BLTouch raiser

openscad/README.md

@@ -5,4 +5,12 @@ I broke my Sprite Pro hot end cooling fan, so I made a model so it fits a 40mm f
 <img src="./creality_sprite_pro_40mm_fan_duct.jpg" align="left" title="Static colour" width="400" height="400" />
 <br clear="left"/>
 
-You can download the model at the [Releases tab](https://github.com/diademiemi/3d_printer_configs_ender3/releases/tag/2023-10-28)
+You can download the model at the [Releases tab](https://github.com/diademiemi/3d_printer_configs_ender3/releases/tag/2023-10-28)
+
+
+# Creality Sprite Pro BLTouch Raiser
+The BLTouch I use was too low, it kept bumping into prints and especially the bed clips, so I made a model to raise it by 3.5 millimeters. This will offset the Z axis by 3.5 millimeters, X axis by 13.5 millimeters and Y axis by 0 millimeters.
+
+<img src="./creality_sprite_pro_bltouch_raiser_render.png" align="left" title="Static colour" width="400" height="400" />
+<img src="./creality_sprite_pro_bltouch_raiser.jpg" align="left" title="Static colour" width="400" height="400" />
+<br clear="left"/>

openscad/creality_sprite_pro_bltouch_raiser.scad

@@ -0,0 +1,71 @@
+include <openscad_common/rounded_figures.scad>
+
+bltouch_size = [25, 10, 3];
+extruder_size = [25, 15, 3];
+
+screw_hole_radius = 1.5;
+
+
+extra_height = 3.6;
+
+wall_thickness = 4;
+sprite_pro_extruder_thickness = 3.5;
+wall_height = bltouch_size[2]*2 + extra_height;
+
+bltouch_mount_thickness = 1.9;
+
+module bltouch_mount(bltouch_size = bltouch_size, screw_hole_radius = screw_hole_radius) {
+    difference() {
+        rounded_cube(bltouch_size, 3, flat_plus_z=true, flat_minus_z=true, flat_minus_y=true);
+        translate([2.5 + screw_hole_radius, bltouch_size[1] / 2, 0]) {
+            translate([0, 0, bltouch_size[2]/2]) cylinder(r=1.5, h=bltouch_size[2]*2, center=true, $fn=64);
+        }
+        translate([bltouch_size[0] - 2.5 - screw_hole_radius, bltouch_size[1] / 2, 0]) {
+            translate([0, 0, bltouch_size[2]/2]) cylinder(r=1.5, h=bltouch_size[2]*2, center=true, $fn=64);
+        }
+    }
+}
+
+
+module extruder_mount(extruder_size = extruder_size, screw_hole_radius = screw_hole_radius) {
+    difference() {
+        rounded_cube(extruder_size, 3, flat_plus_z=true, flat_minus_z=true, flat_minus_y=true);
+        translate([2.5 + screw_hole_radius, extruder_size[1] / 2, 0]) {
+            translate([0, 0, extruder_size[2]/2]) cylinder(r=1.5, h=extruder_size[2]*2, center=true, $fn=64);
+        }
+        translate([extruder_size[0] - 2.5 - screw_hole_radius, extruder_size[1] / 2, 0]) {
+            translate([0, 0, extruder_size[2]/2]) cylinder(r=1.5, h=extruder_size[2]*2, center=true, $fn=64);
+        }
+    }
+}
+
+
+// Extruder Mount
+
+extruder_mount();
+
+translate([0, 0, bltouch_size[2] + sprite_pro_extruder_thickness]) {
+    difference() {
+        extruder_mount();
+        translate([extruder_size[0]/4, 0, 0]) cube([extruder_size[0]/2, extruder_size[1], extruder_size[2]]);
+    }
+}
+
+// Wall
+
+translate([0, -wall_thickness, 0]) {
+    cube([bltouch_size[0], wall_thickness, wall_height]);
+}
+
+// BlTouch Mount
+
+translate([0, -(wall_thickness), (bltouch_size[2]*2) + extra_height]) {
+    rotate([180, 0, 0]) bltouch_mount();
+}
+
+translate([0, -(wall_thickness), (bltouch_size[2]) + extra_height - bltouch_mount_thickness]) {
+    rotate([180, 0, 0]) difference() {
+        bltouch_mount();
+        translate([bltouch_size[0]/4, 0, 0]) cube([bltouch_size[0]/2, bltouch_size[1], bltouch_size[2]]);
+    }
+}