My Gridfinity models
Pegboard shelf and plastic drawer bottom
+203
+14
.gitignore
+14
.gitignore
+3
.gitmodules
+3
.gitmodules
+159
pegboard-shelf.scad
+159
pegboard-shelf.scad
···
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include <lib/gridfinity-rebuilt-openscad/src/core/standard.scad>
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include <lib/gridfinity-rebuilt-openscad/src/core/gridfinity-baseplate.scad>
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use <lib/gridfinity-rebuilt-openscad/src/core/gridfinity-rebuilt-holes.scad>
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use <lib/gridfinity-rebuilt-openscad/gridfinity-rebuilt-baseplate.scad>
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$fa = 4;
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$fs = 0.25;
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/* [Shelf Size] */
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// Width in gridfinity units
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grid_x = 1; // [2:1:8]
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// Depth in gridfinity units
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grid_y = 1; // [1:1:3]
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/* [Pegboard (1" standard)] */
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peg_spacing = 25.4;
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peg_hole_dia = 6.35;
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board_thickness = 4.76;
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/* [Construction] */
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peg_dia = 5.6;
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peg_behind = 10;
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backplate_thick = 4;
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gusset_thick = 1.6;
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/* [Options] */
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enable_magnets = false;
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// Tilt shelf forward for bin visibility
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shelf_angle = 15; // [0:5:20]
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// === DERIVED ===
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shelf_width = grid_x * 42;
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shelf_depth = grid_y * 42;
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// Peg layout: 1" intervals centered across shelf width
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num_pegs = floor(shelf_width / peg_spacing) + 1;
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peg_array_width = (num_pegs - 1) * peg_spacing;
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peg_x_start = (shelf_width - peg_array_width) / 2;
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// Z positions (shelf bottom = 0, shelf top = BASEPLATE_HEIGHT)
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top_peg_z = BASEPLATE_HEIGHT / 2;
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bottom_peg_z = top_peg_z - peg_spacing;
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// Backplate covers both peg rows with margin
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bp_z_bottom = bottom_peg_z - peg_dia;
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// Gusset geometry
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gusset_depth = shelf_depth;
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num_gussets = max(2, floor(grid_x / 2) + 1);
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hole_options = enable_magnets
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? bundle_hole_options(magnet_hole=true, crush_ribs=true, chamfer=true)
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: bundle_hole_options();
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echo(str("Shelf: ", grid_x, "x", grid_y, " (", shelf_width, "x", shelf_depth, "mm)"));
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echo(str("Total depth from wall: ", backplate_thick + shelf_depth, "mm"));
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echo(str("Pegs per row: ", num_pegs, ", gussets: ", num_gussets));
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// === ASSEMBLY ===
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color("SteelBlue")
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union() {
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// Tilted shelf group: pivot at top-back edge of shelf
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translate([0, backplate_thick, BASEPLATE_HEIGHT])
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rotate([-shelf_angle, 0, 0])
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translate([0, -backplate_thick, -BASEPLATE_HEIGHT])
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{
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// Gridfinity baseplate surface
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translate([shelf_width/2, backplate_thick + shelf_depth/2, 0])
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gridfinityBaseplate(
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[grid_x, grid_y], l_grid, [0, 0],
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0, hole_options, 0
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);
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// Fill the rounded baseplate corners at the backplate edge
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translate([0, backplate_thick, 0])
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cube([shelf_width, BASEPLATE_OUTER_RADIUS, BASEPLATE_HEIGHT]);
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}
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// Gussets (in world coords, bridging tilted shelf to vertical backplate)
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for (i = [0 : num_gussets - 1]) {
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gx = gusset_thick/2 +
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i * (shelf_width - gusset_thick) / max(1, num_gussets - 1);
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translate([gx, 0, 0])
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gusset();
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}
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// Backplate wall
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translate([0, 0, bp_z_bottom])
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cube([shelf_width, backplate_thick, BASEPLATE_HEIGHT - bp_z_bottom]);
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// Top row pegs (J-hooks, weight-bearing)
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for (i = [0 : num_pegs - 1])
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translate([peg_x_start + i * peg_spacing, 0, top_peg_z])
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j_hook();
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// Bottom row pegs (anti-rotation)
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for (i = [0 : num_pegs - 1])
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translate([peg_x_start + i * peg_spacing, 0, bottom_peg_z])
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peg(board_thickness + 4);
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}
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// === MODULES ===
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module peg(length) {
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rotate([90, 0, 0])
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cylinder(d=peg_dia, h=length);
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translate([0, -length, 0])
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sphere(d=peg_dia);
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}
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module j_hook() {
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shaft_behind = 6;
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shaft_length = board_thickness + shaft_behind;
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tip_length = 5;
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tip_angle = 20;
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// Straight shaft through the board
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peg(shaft_length);
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// Upward-angled tip
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translate([0, -shaft_length, 0])
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hull() {
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sphere(d=peg_dia);
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rotate([tip_angle, 0, 0])
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translate([0, 0, tip_length])
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sphere(d=peg_dia);
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}
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}
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module gusset() {
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// Triangle in the Y-Z plane bridging tilted shelf to vertical backplate
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// rotate([0,90,0]) maps: polygon_x → -world_z, polygon_y → world_y
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// Hinge point (top of backplate where shelf pivots)
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ay = backplate_thick;
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az = BASEPLATE_HEIGHT;
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// Front-bottom of tilted shelf
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by = backplate_thick
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+ shelf_depth * cos(shelf_angle)
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- BASEPLATE_HEIGHT * sin(shelf_angle);
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bz = BASEPLATE_HEIGHT * (1 - cos(shelf_angle))
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- shelf_depth * sin(shelf_angle);
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// Bottom of backplate
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cy = backplate_thick;
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cz = bp_z_bottom;
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translate([-gusset_thick/2, 0, 0])
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rotate([0, 90, 0])
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linear_extrude(gusset_thick)
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polygon([
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[-az, ay],
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[-bz, by],
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[-cz, cy]
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]);
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}
+27
plastic-drawer-bottom.scad
+27
plastic-drawer-bottom.scad
···
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include <lib/gridfinity-rebuilt-openscad/src/core/standard.scad>
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use <lib/gridfinity-rebuilt-openscad/src/core/gridfinity-rebuilt-holes.scad>
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use <lib/gridfinity-rebuilt-openscad/gridfinity-rebuilt-baseplate.scad>
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$fa = 8;
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$fs = 0.25;
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drawer_width = 240;
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drawer_length = 8 * 42;
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hole_options = bundle_hole_options(
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magnet_hole = true,
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crush_ribs = true,
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chamfer = true
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);
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color("tomato")
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gridfinityBaseplate(
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grid_size_bases = [8, 0],
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length = l_grid,
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min_size_mm = [0, drawer_width],
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sp = 0,
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hole_options = hole_options,
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sh = 0,
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fit_offset = [0, 0]
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);
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