seedling tray: add water tray and pressing tool
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@@ -1,27 +1,37 @@
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// ========================================================
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// PARAMETRIC SEEDLING TRAY & PUSHABLE PLATES
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// PARAMETRIC SEEDLING TRAY SYSTEM
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// Includes: Tray, Plates, Angled Water Tray, & Ball-Pusher Tool
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// ========================================================
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/* [Grid Configuration] */
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cols = 3; // Number of columns
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rows = 2; // Number of rows
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cols = 4; // Number of columns
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rows = 3; // Number of rows
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cell_size = 35; // Inner width/length of each square cell (mm)
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tray_height = 50; // Total height of the tray (mm)
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/* [Wall & Ledge Dimensions] */
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wall_thickness = 1.6; // Thickness of the walls (mm)
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wall_thickness = 1.6; // Thickness of outer and interior walls (mm)
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bottom_lip = 4.0; // Width of the bottom ledge holding the plate (mm)
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floor_thickness = 2.0; // Thickness of the bottom lip (mm)
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floor_thickness = 2.0; // Height/thickness of the bottom lip (mm)
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/* [Pusher Plate Settings] */
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plate_thickness = 2.0; // Thickness of the pushable plate (mm)
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plate_thickness = 2.0; // Thickness of the removable plate (mm)
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clearance = 0.4; // Gap between cell walls and plate for easy sliding (mm)
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drain_hole_dia = 4.5; // Diameter of drainage holes in the pushable plate (mm)
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drain_hole_dia = 4.5; // Diameter of drainage holes in the plate (mm)
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/* [Angled Water Tray Settings] */
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water_tray_height = 25; // Height of the bottom drip tray (mm)
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wt_clearance = 1.5; // Extra room around main tray for easy removal (mm)
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wt_flare = 3.5; // Outward wall expansion at top (mm)
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/* [Single Pressing Tool Settings] */
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tool_plate_thick = 3.0; // Thickness of the square pusher plate (mm)
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stem_dia = 10.0; // Diameter of the stick (mm)
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stem_length = 45.0; // Length of the stick shaft (mm)
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handle_ball_dia = 20.0; // Diameter of the handle ball on top (mm)
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/* [Render Mode] */
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// ["both_layout", "assembled", "tray_only", "plates_only"]
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render_mode = "both_layout";
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render_mode = "all_layout"; // ["all_layout", "assembled", "tray_only", "plates_only", "water_tray_only", "tool_only"]
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// --- DERIVED CALCULATIONS ---
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@@ -30,28 +40,61 @@ total_width = cols * pitch + wall_thickness;
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total_length = rows * pitch + wall_thickness;
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// --- MAIN DISPLAY ---
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// --- MAIN DISPLAY EXECUTION ---
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if (render_mode == "tray_only") {
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seedling_tray();
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} else if (render_mode == "plates_only") {
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plate_grid();
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} else if (render_mode == "both_layout") {
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} else if (render_mode == "water_tray_only") {
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water_tray();
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} else if (render_mode == "tool_only") {
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single_pressing_tool();
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} else if (render_mode == "all_layout") {
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// Top Left: Main Tray
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seedling_tray();
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translate([0, total_length + 10, 0])
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// Bottom Left: Plates Grid
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translate([0, -total_length - 20, 0])
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plate_grid();
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// Top Right: Angled Water Tray
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translate([total_width + 25, 0, 0])
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water_tray();
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// Bottom Right: Single Pressing Tool
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translate([total_width + 25 + (total_width / 2), -total_length / 2 - 20, 0])
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single_pressing_tool();
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} else if (render_mode == "assembled") {
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// Visual preview
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seedling_tray();
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for (r = [0 : rows - 1]) {
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for (c = [0 : cols - 1]) {
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translate([
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wall_thickness + c * pitch + clearance/2,
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wall_thickness + r * pitch + clearance/2,
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floor_thickness
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])
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pusher_plate();
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// 1. Water tray at base
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color("DarkSlateGray") water_tray();
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// 2. Seedling tray inside water tray
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translate([wall_thickness + wt_clearance/2, wall_thickness + wt_clearance/2, floor_thickness]) {
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color("ForestGreen", 0.95) seedling_tray();
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// Plates on bottom ledges
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color("SaddleBrown") {
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for (r = [0 : rows - 1]) {
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for (c = [0 : cols - 1]) {
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translate([
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wall_thickness + c * pitch + clearance/2,
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wall_thickness + r * pitch + clearance/2,
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floor_thickness
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])
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pusher_plate();
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}
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}
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}
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}
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// 3. Pressing tool
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translate([
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wall_thickness + wt_clearance/2 + wall_thickness + (cell_size / 2),
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wall_thickness + wt_clearance/2 + wall_thickness + (cell_size / 2),
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-stem_length / 2
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])
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color("Goldenrod") single_pressing_tool();
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}
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@@ -59,23 +102,19 @@ if (render_mode == "tray_only") {
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// MODULES
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// ========================================================
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// Main seedling tray body
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// 1. Main seedling tray body
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module seedling_tray() {
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difference() {
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// Outer solid volume
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cube([total_width, total_length, tray_height]);
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// Cut out each cell pocket and bottom push hole
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for (r = [0 : rows - 1]) {
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for (c = [0 : cols - 1]) {
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x_pos = wall_thickness + c * pitch;
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y_pos = wall_thickness + r * pitch;
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// 1. Main cell compartment
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translate([x_pos, y_pos, floor_thickness])
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cube([cell_size, cell_size, tray_height]);
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// 2. Bottom push-through opening
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translate([x_pos + bottom_lip, y_pos + bottom_lip, -1])
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cube([
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cell_size - (2 * bottom_lip),
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@@ -87,16 +126,14 @@ module seedling_tray() {
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}
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}
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// Single pushable bottom plate
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// 2. Single removable bottom plate
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module pusher_plate() {
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p_size = cell_size - clearance;
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offset_margin = p_size / 3.5;
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difference() {
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// Plate body
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cube([p_size, p_size, plate_thickness]);
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// 5-points drainage hole pattern
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translate([p_size / 2, p_size / 2, -1])
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cylinder(h = plate_thickness + 2, d = drain_hole_dia, $fn = 20);
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@@ -109,7 +146,7 @@ module pusher_plate() {
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}
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}
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// Plate grid
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// 3. Print layout grid matching exact tray cell count
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module plate_grid() {
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p_size = cell_size - clearance;
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spacing = 2;
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@@ -120,4 +157,39 @@ module plate_grid() {
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pusher_plate();
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}
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}
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}
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// 4. Water Tray with Angled Outward Walls
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module water_tray() {
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wt_inner_w = total_width + wt_clearance;
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wt_inner_l = total_length + wt_clearance;
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wt_outer_w = wt_inner_w + (2 * wall_thickness);
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wt_outer_l = wt_inner_l + (2 * wall_thickness);
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difference() {
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translate([wt_outer_w / 2, wt_outer_l / 2, 0])
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linear_extrude(height = water_tray_height, scale = [(wt_outer_w + 2 * wt_flare) / wt_outer_w, (wt_outer_l + 2 * wt_flare) / wt_outer_l])
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square([wt_outer_w, wt_outer_l], center = true);
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translate([wt_outer_w / 2, wt_outer_l / 2, floor_thickness])
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linear_extrude(height = water_tray_height, scale = [(wt_inner_w + 2 * wt_flare) / wt_inner_w, (wt_inner_l + 2 * wt_flare) / wt_inner_l])
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square([wt_inner_w, wt_inner_l], center = true);
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}
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}
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// 5. Pressing Tool
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module single_pressing_tool() {
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p_size = (cell_size - clearance);
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// Square pusher plate at base
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translate([0, 0, tool_plate_thick / 2])
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cube([p_size, p_size, tool_plate_thick], center = true);
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// Vertical stick
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translate([0, 0, tool_plate_thick])
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cylinder(h = stem_length, d = stem_dia, $fn = 32);
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// Palm ball handle on top
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translate([0, 0, tool_plate_thick + stem_length])
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sphere(d = handle_ball_dia, $fn = 40);
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}
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