394 lines
12 KiB
OpenSCAD
394 lines
12 KiB
OpenSCAD
include <../config.scad>
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include <../modules.scad>
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include <../grid.scad>
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module module_side(width, depth, height, screw_step) {
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// same parameters as, and handed through by, module_base()
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screws_per_side = grid_elements(depth, screw_step);
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screw_grid_margin = grid_margin(depth, screws_per_side, screw_step);
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difference() {
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rotate([0, 90, 0]){
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color(COLOR_WOOD){
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cube([height, depth, MODULE_THICKNESS]); // main plate
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}
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}
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// screw holes and barrel nut holes
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translate([
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MODULE_THICKNESS / 2,
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screw_grid_margin,
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0
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]){
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for ( xy = grid(1, screws_per_side, 1, screw_step) ) {
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translate(xy){
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// top
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translate([
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0,
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0,
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MODULE_THICKNESS - MODULE_SCREW_LENGTH
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]) {
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screw_hole();
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barrel_nut_hole();
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}
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// bottom
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translate([
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0,
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0,
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0 - height - MODULE_THICKNESS
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]) {
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translate([0, 0, MODULE_SCREW_LENGTH]){
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rotate([180, 0, 0]) {
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screw_hole();
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}
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}
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translate([0, 0, MODULE_SCREW_LENGTH - BARREL_NUT_DIAMETER]){
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barrel_nut_hole();
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}
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}
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}
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}
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}
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}
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}
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module module_base_fit(width_inner, depth_inner, height_inner, num_screws=4) {
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// shorthand to create a base module guaranteed to fit the passed dimensions
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width_outer = _MODULE_RAIL_OFFSET + MODULE_SLIDE_WIDTH + MODULE_THICKNESS + width_inner + MODULE_THICKNESS + MODULE_SLIDE_WIDTH + _MODULE_RAIL_OFFSET;
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depth_outer = MODULE_THICKNESS + depth_inner + MODULE_THICKNESS;
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width_gridunits = grid_units_length(width_outer);
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depth_gridunits = grid_units_length(depth_outer);
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screw_step = floor(depth_gridunits / (num_screws));
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echo("base from measurements:");
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echo(width_outer);
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echo(width_gridunits);
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echo(depth_gridunits);
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echo(screw_step);
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module_base(width_gridunits, depth_gridunits, height_inner, screw_step);
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}
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module module_base(width_gridunits, depth_gridunits, height_inner, screw_step=3){
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/* Module base. For use as basis of custom-built or designed modules.
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* Aligned to fit a module_rail_set of the same gridunit dimensions.
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*/
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// final width and depth
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//width = grid_length(width_gridunits) - ((_MODULE_RAIL_OFFSET + MODULE_SLIDE_WIDTH) * 2);
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width = grid_length(width_gridunits) - _MODULE_RAIL_OFFSET - MODULE_SLIDE_WIDTH - MODULE_THICKNESS - MODULE_THICKNESS - MODULE_SLIDE_WIDTH - _MODULE_RAIL_OFFSET;
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depth = grid_length(depth_gridunits);
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screws_per_side = grid_elements(depth, screw_step);
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screw_grid_margin = grid_margin(depth, screws_per_side, screw_step);
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screw_grid = grid(1, screws_per_side, 1, screw_step);
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/*
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echo("=== MODULE_BASE ===");
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echo(width_gridunits=width_gridunits, width=width);
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echo(depth_gridunits=depth_gridunits, depth=depth);
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echo(height_inner=height_inner);
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echo(screw_step=screw_step);
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echo(screws_per_side=screws_per_side);
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echo(screw_grid_margin=screw_grid_margin);
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*/
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// align to rail
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translate([_MODULE_RAIL_OFFSET, 0, -MODULE_RAIL_MARGIN_TOP]) {
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//translate([0, 0, -MODULE_RAIL_MARGIN_TOP]) {
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// top side, including slide
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translate([0, 0, -MODULE_THICKNESS]){
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difference(){
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// main plate
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color(COLOR_WOOD){
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cube([
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MODULE_SLIDE_WIDTH + MODULE_THICKNESS + width + MODULE_THICKNESS + MODULE_SLIDE_WIDTH,
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depth,
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MODULE_THICKNESS
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]);
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}
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// screw holes
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translate([
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MODULE_SLIDE_WIDTH + MODULE_THICKNESS / 2,
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screw_grid_margin,
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MODULE_THICKNESS - MODULE_SCREW_LENGTH
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]){
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for ( xy = screw_grid ) {
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translate(xy){
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// left
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screw_hole();
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// right
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translate([width + MODULE_THICKNESS, 0, 0]){
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screw_hole();
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}
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}
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}
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}
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}
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}
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// left side
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translate([MODULE_SLIDE_WIDTH, 0, -MODULE_THICKNESS]){
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module_side(width, depth, height_inner, screw_step);
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}
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// right side
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translate([MODULE_SLIDE_WIDTH + MODULE_THICKNESS + width, 0, -MODULE_THICKNESS]){
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module_side(width, depth, height_inner, screw_step);
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}
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// bottom side
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translate([
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MODULE_SLIDE_WIDTH,
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0,
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0 - MODULE_THICKNESS - height_inner - MODULE_THICKNESS
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]){
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difference() {
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color(COLORSCHEME == "semantic" ? COLOR_SEMANTIC_USABLE_SURFACE : COLOR_WOOD) {
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cube([ // main plate
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MODULE_THICKNESS + width + MODULE_THICKNESS,
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depth,
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MODULE_THICKNESS
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]);
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}
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// screw holes
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translate([
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MODULE_THICKNESS / 2,
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screw_grid_margin,
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0
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]) {
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for ( xy = screw_grid ) {
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translate(concat(xy, MODULE_SCREW_LENGTH)){
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// left
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rotate([180, 0, 0]){
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screw_hole();
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}
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// right
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translate([width + MODULE_THICKNESS, 0, 0]){
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rotate([180, 0, 0]){
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screw_hole();
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}
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}
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}
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}
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}
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}
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}
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// screws and barrel nuts
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translate([
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MODULE_SLIDE_WIDTH + MODULE_THICKNESS / 2,
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screw_grid_margin
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]) {
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for ( xy = screw_grid ) {
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translate(xy){
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// top
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translate([
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0,
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0,
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-MODULE_SCREW_LENGTH
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]){
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// left
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screw();
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barrel_nut();
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// right
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translate([width + MODULE_THICKNESS, 0]){
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screw();
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barrel_nut();
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}
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}
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// bottom
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translate([
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0,
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0,
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MODULE_SCREW_LENGTH - MODULE_THICKNESS - height_inner - MODULE_THICKNESS
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]){
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// left
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rotate([180, 0, 0]){
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screw();
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barrel_nut();
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}
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// right
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translate([width + MODULE_THICKNESS, 0]){
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rotate([180, 0, 0]){
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screw();
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barrel_nut();
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}
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}
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}
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}
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}
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}
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} // end rail alignment translate
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}
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module module_rail_left(depth_gridunits, screw_step){
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/* A rail that can be affixed to the underside
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* of a desk and hold one side of a module.
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* Aligned so 0,0,0 is the position of the first screws' center
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*/
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overall_height = MODULE_RAIL_MARGIN_TOP + MODULE_THICKNESS + MODULE_THICKNESS;
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num_screws = grid_elements((depth_gridunits + screw_step) * GRID_SIZE, screw_step);
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depth_outer = MODULE_RAIL_MARGIN_SCREW + grid_length(depth_gridunits) + MODULE_RAIL_MARGIN_SCREW;
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screw_grid = grid(1, num_screws, 1, screw_step);
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difference(){
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color(COLORSCHEME == "semantic" ? COLOR_SEMANTIC_LOAD_BEARING : COLOR_WOOD) {
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translate([-MODULE_RAIL_BASE_WIDTH / 2, -MODULE_RAIL_MARGIN_SCREW, -overall_height]){ // 0-align to top, center screw holes on x axis
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translate([0, 0, MODULE_THICKNESS]){
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cube([MODULE_RAIL_BASE_WIDTH, depth_outer, MODULE_THICKNESS + MODULE_RAIL_MARGIN_TOP]);
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}
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cube([MODULE_RAIL_BASE_WIDTH + MODULE_SLIDE_WIDTH, depth_outer, MODULE_THICKNESS]);
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}
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}
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for ( xy = screw_grid ) {
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translate(concat(xy, -MODULE_SCREW_LENGTH)){
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screw_hole();
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}
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}
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}
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}
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module module_rail_right(depth_gridunits, screw_step){
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/* Ditto, but for the right side.
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*/
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mirror ([1, 0, 0]) {
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module_rail_left(depth_gridunits, screw_step);
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}
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}
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module module_rail_set(width_gridunits, depth_gridunits, screw_step){
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module_rail_left(depth_gridunits, screw_step);
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translate([grid_length(width_gridunits), 0]){
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module_rail_right(depth_gridunits, screw_step);
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}
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}
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// demo setup with rails
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/*module_rail_left(600);
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translate([
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MODULE_SLIDE_WIDTH + MODULE_RAIL_BASE_WIDTH + MODULE_SLIDE_WIDTH + 800 + MODULE_SLIDE_WIDTH, // + MODULE_RAIL_MARGIN_SIDE + 800 + MODULE_RAIL_MARGIN_SIDE + MODULE_SLIDE_WIDTH + MODULE_RAIL_BASE_WIDTH,
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600,
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0
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]){
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rotate([0,0, 180]){
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module_rail_left(600);
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}
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}
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translate([MODULE_SLIDE_WIDTH - MODULE_RAIL_BASE_WIDTH / 2 + MODULE_RAIL_MARGIN_SIDE, 0, -MODULE_RAIL_MARGIN_TOP]){
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module_base(800, 600, 700, 4);
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}*/
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//module_side(800, 600, 700, 3);
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//module_base(800, 600, 700, 3);
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//module_base_fit(550, 600, 700, 5);
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//screw_hole();
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//screw();
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//barrel_nut();
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/*translate([0, 0, -200]){
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//module_rail_left(12, 3);
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module_rail_right(12, 3);
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}*/
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/*module_rail_set(10, 15, 2);
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module_base(10, 15, 700, 2);*/
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/*for(xy = grid(15, 15, 1, 1)){
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translate(xy) { screw(); }
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}*/
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/*module newtransl() {
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translate([100, 100, 100]) {
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children();
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}
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}
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newtransl(){
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screw();
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}*/
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// a bunch of demo instances to make reasonably sure no wonkiness occurs
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module_base(8, 8, 300, 1);
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module_rail_set(8, 8, 1);
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translate ([1100, 0]) {
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module_base(9, 9, 300, 2);
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module_rail_set(9, 9, 2);
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}
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translate ([2200, 0]) {
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module_base(13, 5, 600, 3);
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module_rail_set(13, 5, 3);
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}
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translate ([3300, 0]){
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module_base(17, 9, 200, 3);
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module_rail_set(17, 9, 3);
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}
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translate ([0, 1000]) {
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module_base(12, 17, 500, 5);
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module_rail_set(12, 17, 5);
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}
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translate ([1100, 1000]) {
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module_base(20, 20, 500, 6);
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module_rail_set(20, 20, 6);
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}
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translate ([2200, 1000]) {
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module_base(15, 30, 800, 9);
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module_rail_set(15, 30, 9);
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}
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translate ([3300, 1000]) {
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module_base(19, 17, 300, 3);
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module_rail_set(19, 17, 3);
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}
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// try making something to fit a 19" rack
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/*rack_width_gridunits = grid_units_length(550);
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rack_depth_gridunits = grid_units_length(650);
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module_base(rack_width_gridunits, rack_depth_gridunits, 700, 3);
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module_rail_set(rack_width_gridunits, rack_depth_gridunits, 3);*/
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