-/*
-min y = 0
-max y = 100
-min x = 1205
-max x = 1254
-
-Makerfair X carriage plate adapter for the Wilson RepRap.
-Copyright (c) 2015 Clinton Ebadi <clinton@unknownlamer.org>
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-Measurements reverse engineered from
-https://github.com/RickSisco/MakerFarm-Prusa-i3v-12-Inch
-
-Intended for use with the itty bitty dual extruder series.
-
-Source needs a good cleanup. Evil loops that don't take advantage of
-the geometry of the object abound.
-
-*/
-
-use <MCAD/nuts_and_bolts.scad>
-
-carriage_height = 65;
-
-plate_width = 75; // wilson carriage is only 50mm wide!
-plate_depth = 8; // wilson default depth = 8, makerfarm = 6
-
-plate_cut_height = 6.5;
-plate_cut_width = 6;
-plate_cut_distance = 13;
-plate_cut_center = 25.1;
-plate_cut_y_offset = 27;
-plate_cut_bolt = 3;
-plate_cut_x_bolt_offset = 10.5 + plate_cut_bolt / 2;
-
-plate_height = carriage_height + plate_cut_height + plate_cut_y_offset; //100;
-
-lower_cut_y_offset = 5.33; // 5.325 in CAD
-lower_bolt_x_offset = 1.5 + plate_cut_bolt / 2;
-lower_bolt_y_offset = 3.275 + plate_cut_bolt / 2;
-
-carriage_bolt = 4;
-carriage_hole_spacing = 24;
-carriage_clearance = 20; // holes are 20mm from bottom of plate
-carriage_y_offset = plate_cut_y_offset + plate_cut_height + carriage_clearance;
-carriage_nut_depth = 2 * 3.2 + 0.1; // m4 nut depth + tolerance
-
-corner_radius = 3; // round off the corners to make it look nicer
-
-bump_strip = false; // generate holes to mount a strip to hit the end stop -- experimental / bad code
-
-module plate_outline () {
- $fn = 16;
- difference () {
- minkowski () {
- translate ([corner_radius, corner_radius, 0])
- square ([plate_width - corner_radius*2, plate_height - corner_radius*2]);
- circle (r = corner_radius);
- }
-
- // upper plate mount
- translate ([0, plate_cut_y_offset, 0]) {
- for (x = [-0.01, plate_cut_width + plate_cut_distance, plate_cut_width*2 + plate_cut_distance + plate_cut_center, plate_cut_width*3 + plate_cut_distance*2 + plate_cut_center + 0.01])
- translate ([x, 0, 0]) square ([plate_cut_width, plate_cut_height]);
-
- // looks like the bolt is at the midpoint between the cut outs
- for (x = [plate_cut_x_bolt_offset, plate_width - plate_cut_x_bolt_offset])
- translate ([x, plate_cut_height / 2, 0]) circle (d = plate_cut_bolt, $fn = 16);
- }
-
- // lower plate mount
- translate ([0, lower_cut_y_offset, 0]) {
- for (x = [-0.01, plate_width - plate_cut_width + 0.01]) {
- // lower cut out is closer to 6mm than 6.5mm in cad drawings
- translate ([x, -0.01, 0]) square ([plate_cut_width, plate_cut_height - 0.5]);
- }
- // I think the intention is for the screw holes to be centered over the cut out
- for (x = [lower_bolt_x_offset, plate_width - lower_bolt_x_offset])
- translate ([x, plate_cut_height + lower_bolt_y_offset, 0]) circle (d = plate_cut_bolt, $fn = 16);
- }
-
- // mount to wilson x-carriage
- translate ([(plate_width - carriage_hole_spacing) / 2, carriage_y_offset, 0])
- for (x = [0, carriage_hole_spacing], y = [0, carriage_hole_spacing]) {
- translate ([x, y, 0]) circle (d = carriage_bolt, $fn = 16);
- }
-
- if (bump_strip) {
- translate ([6, carriage_y_offset, 0])
- for (y = [0, carriage_hole_spacing]) {
- translate ([0, y, 0]) circle (d = carriage_bolt, $fn = 16);
- }
- }
- }
-}
-
-difference () {
- linear_extrude (height = plate_depth, convexity = 50) plate_outline ();
- // after extruding, cut out spaces for M4 hex nuts (6 - 6.5mm deep, for two nuts)
- translate ([(plate_width - carriage_hole_spacing) / 2, carriage_y_offset, plate_depth - carriage_nut_depth]) {
- for (x = [0, carriage_hole_spacing], y = [0, carriage_hole_spacing]) {
- translate ([x, y, 0]) linear_extrude (height = carriage_nut_depth + 0.01) nutHole (size = carriage_bolt, proj = 1);
- }
- }
-
- if (bump_strip) {
- translate ([6, carriage_y_offset, plate_depth - carriage_nut_depth/2]) {
- for (y = [0, carriage_hole_spacing]) {
- translate ([0, y, 0]) linear_extrude (height = carriage_nut_depth/2 + 0.01) nutHole (size = carriage_bolt, proj = 1);
- }
- }
- }
-}
+/*
+min y = 0
+max y = 100
+min x = 1205
+max x = 1254
+
+Makerfair X carriage plate adapter for the Wilson RepRap.
+Copyright (c) 2015 Clinton Ebadi <clinton@unknownlamer.org>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Measurements reverse engineered from
+https://github.com/RickSisco/MakerFarm-Prusa-i3v-12-Inch
+
+Intended for use with the itty bitty dual extruder series.
+
+Source needs a good cleanup. Evil loops that don't take advantage of
+the geometry of the object abound.
+
+major todo:
+
+ - square hole placement is a total mess
+
+*/
+
+use <MCAD/nuts_and_bolts.scad>
+
+$fn = 64;
+
+carriage_height = 64;
+carriage_width = 52;
+
+plate_width = 75; // wilson carriage is only 50mm wide!
+plate_depth = 6; // wilson default depth = 8, makerfarm = 6
+
+hole_tolerance = 0.25; // widen holes a bit, may still need to drill out
+
+plate_cut_height = 6.5;
+plate_cut_width = 6;
+plate_cut_distance = 13;
+plate_cut_center = 25.1;
+plate_cut_y_offset = 27;
+plate_cut_bolt = 3 + hole_tolerance;
+plate_cut_x_bolt_offset = 10.5 + plate_cut_bolt / 2;
+
+plate_extra_height = 4; // make plate a bit taller so it is structurally sound
+
+plate_height = plate_cut_height + plate_cut_y_offset + plate_extra_height;
+
+lower_cut_y_offset = 5.33; // 5.325 in CAD
+lower_bolt_x_offset = 1.5 + plate_cut_bolt / 2;
+lower_bolt_y_offset = 3.275 + plate_cut_bolt / 2;
+
+carriage_bolt = 4 + hole_tolerance;
+carriage_hole_spacing = 23;
+carriage_clearance = 20; // holes are 20mm from bottom of plate
+carriage_y_offset = plate_cut_y_offset + plate_cut_height + carriage_clearance;
+carriage_nut_depth = 3.2 + 3.2/2 + 0.1; // m4 nut depth + half of an m4 nut + tolerance
+
+corner_radius = 3; // round off the corners to make it look nicer
+
+shelf_mount ();
+translate ([(plate_width - carriage_width) / 2, plate_height - plate_extra_height/2, 0]) carriage_mount ();
+
+// mount to wilson x-carriage
+module carriage_mount () {
+ difference () {
+ linear_extrude (height = plate_depth, convexity = 8) {
+ // outline of plate + bolt holes
+ difference () {
+ translate ([corner_radius, corner_radius, 0]) {
+ minkowski () {
+ square ([carriage_width - corner_radius*2, carriage_height - corner_radius]);
+ circle (r = corner_radius);
+ }
+ }
+
+ #translate ([(carriage_width - carriage_hole_spacing) / 2, (carriage_height - carriage_hole_spacing) /2, 0])
+ for (x = [0, carriage_hole_spacing], y = [0, carriage_hole_spacing]) {
+ translate ([x, y, 0]) circle (d = carriage_bolt);
+ }
+ }
+ }
+ // after extruding, cut out spaces for M4 hex nuts.
+ translate ([(carriage_width - carriage_hole_spacing) / 2, (carriage_height - carriage_hole_spacing) /2, plate_depth - carriage_nut_depth]) {
+ for (x = [0, carriage_hole_spacing], y = [0, carriage_hole_spacing]) {
+ translate ([x, y, 0]) linear_extrude (height = carriage_nut_depth + 0.01) nutHole (size = carriage_bolt, proj = 1);
+ }
+ }
+ }
+}
+
+// mount for makerfarm extruder shelf
+module shelf_mount () {
+ linear_extrude (height = plate_depth, convexity = 8) {
+ difference () {
+ translate ([corner_radius, corner_radius, 0]) {
+ minkowski () {
+ square ([plate_width - corner_radius*2, plate_height - corner_radius*2]);
+ circle (r = corner_radius);
+ }
+ }
+
+ // upper shelf mount
+ translate ([0, plate_cut_y_offset, 0]) {
+ for (x = [-0.01, plate_cut_width + plate_cut_distance, plate_cut_width*2 + plate_cut_distance + plate_cut_center, plate_cut_width*3 + plate_cut_distance*2 + plate_cut_center + 0.01])
+ #translate ([x - hole_tolerance/2, 0, 0]) square ([plate_cut_width + hole_tolerance, plate_cut_height]);
+
+ // looks like the bolt is at the midpoint between the cut outs
+ for (x = [plate_cut_x_bolt_offset, plate_width - plate_cut_x_bolt_offset])
+ translate ([x, plate_cut_height / 2, 0]) circle (d = plate_cut_bolt + hole_tolerance);
+ }
+
+ // lower shelf mount
+ translate ([0, lower_cut_y_offset, 0]) {
+ for (x = [plate_cut_width/2 - 0.01, plate_width - plate_cut_width/2 + 0.01]) {
+ // lower cut out is closer to 6mm than 6.5mm in cad drawings
+ translate ([x, plate_cut_height/2, 0]) square ([plate_cut_width, plate_cut_height - 0.5], center=true);
+ }
+ // I think the intention is for the screw holes to be centered over the cut out
+ for (x = [lower_bolt_x_offset, plate_width - lower_bolt_x_offset])
+ translate ([x, plate_cut_height + lower_bolt_y_offset, 0]) circle (d = plate_cut_bolt + hole_tolerance);
+ }
+ }
+ }
+}
HCoop / clinton / 3d-models.git / blobdiff