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91 lines
2.3 KiB
OpenSCAD
91 lines
2.3 KiB
OpenSCAD
include <config.scad>
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use <GDMUtils.scad>
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use <joiners.scad>
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use <roller_parts.scad>
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use <roller_cap_parts.scad>
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module slider_sled(show_rollers=false)
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{
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axle_rad = (roller_axle/2) - 0.2;
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axle_len = roller_thick;
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pedestal_lip = 1.5;
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cap_snap_len = 10*3/4;
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union() {
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difference() {
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union() {
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// Bottom strut.
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translate([0,0,platform_thick/2])
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yrot(90) sparse_strut(h=platform_width, l=platform_length, thick=platform_thick, maxang=45, strut=12, max_bridge=999);
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// Solid walls.
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zrot_copies([0, 180]) {
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translate([(platform_width-joiner_width)/2, 0, platform_height/2]) {
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thinning_wall(h=platform_height, l=platform_length-10, thick=joiner_width, strut=platform_thick, wall=3, bracing=false);
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}
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}
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}
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// Clear space for joiners.
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translate([0,0,platform_height/2]) {
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joiner_quad_clear(xspacing=platform_width-joiner_width, yspacing=platform_length, h=platform_height, w=joiner_width, a=joiner_angle);
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}
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}
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// Snap-tab joiners.
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translate([0,0,platform_height/2]) {
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joiner_quad(xspacing=platform_width-joiner_width, yspacing=platform_length, h=platform_height, w=joiner_width, l=5, a=joiner_angle);
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}
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grid_of(xa=[-roller_spacing/2,roller_spacing/2]) {
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grid_of(ya=[-(platform_length/2)/2, (platform_length/2)/2]) {
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// Roller pedestals
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translate([0,0,roller_base/2]) {
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cylinder(h=roller_base, r=axle_rad+pedestal_lip, center=true, $fn=32);
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}
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// Roller axles
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translate([0,0,axle_len/2+roller_base]) {
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difference() {
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cylinder(h=axle_len, r=axle_rad, center=true, $fn=32);
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cylinder(h=axle_len+0.05, r=axle_rad-2.5, center=true, $fn=16);
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translate([0, 0, -axle_len/2+(axle_len-cap_snap_len)/2])
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cylinder(h=axle_len-cap_snap_len+0.05, r=axle_rad-2.0, center=true, $fn=16);
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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 slider_rollers()
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{
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axle_len = roller_thick;
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grid_of(xa=[-roller_spacing/2,roller_spacing/2]) {
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grid_of(ya=[-(platform_length/2)/2, (platform_length/2)/2]) {
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translate([0,0,axle_len/2+roller_base]) {
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// Rollers
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roller();
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// Caps
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translate([0,0,axle_len/2]) xrot(180)
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roller_cap(r=roller_axle/2-3, h=10, lip=2, wall=3);
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}
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}
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}
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}
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slider_sled(show_rollers=true);
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// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
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