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dingfeng.wong
2025-07-22 00:54:45 +08:00
parent 40e9ec35f8
commit e7f36c3cd5
1 changed files with 20 additions and 7 deletions
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holder.scad
+20 -7
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@@ -47,14 +47,22 @@ module pcie_riser_holder(
total_length = hole_position_4 + (margin_x * 2); total_length = hole_position_4 + (margin_x * 2);
total_width = holder_width; total_width = holder_width;
// Extension parameters for negative y direction
extension_from_holes = 42; // 40mm extension in negative y direction from holes
hole_y_position = total_width/2; // Current hole y position
// New total width includes original width plus extension
extended_total_width = total_width + extension_from_holes;
// Main holder body // Main holder body
difference() { difference() {
// Create the main rectangular plane // Create the main rectangular plane, translated to accommodate extension
cube([total_length, total_width, thickness]); translate([0, -extension_from_holes, 0])
cube([total_length, extended_total_width, thickness]);
// Create M3 holes // Create M3 holes (position unchanged relative to original rectangle)
for (i = [0 : len(hole_positions) - 1]) { for (i = [0 : len(hole_positions) - 1]) {
translate([margin_x + hole_positions[i], total_width/2, -cylinder_overlap]) translate([margin_x + hole_positions[i], hole_y_position, -cylinder_overlap])
cylinder( cylinder(
h = thickness + (cylinder_overlap * 2), h = thickness + (cylinder_overlap * 2),
d = hole_diameter, d = hole_diameter,
@@ -66,7 +74,7 @@ module pcie_riser_holder(
// Optional preview holes for reference // Optional preview holes for reference
if (show_preview_holes) { if (show_preview_holes) {
for (i = [0 : len(hole_positions) - 1]) { for (i = [0 : len(hole_positions) - 1]) {
translate([margin_x + hole_positions[i], total_width/2, thickness]) translate([margin_x + hole_positions[i], hole_y_position, thickness])
cylinder( cylinder(
h = preview_cylinder_height, h = preview_cylinder_height,
d = preview_cylinder_diameter, d = preview_cylinder_diameter,
@@ -77,9 +85,14 @@ module pcie_riser_holder(
// Display specifications // Display specifications
echo("=== PCIe Riser Holder Specifications ==="); echo("=== PCIe Riser Holder Specifications ===");
echo(str("Total dimensions: ", total_length, "mm x ", total_width, "mm x ", thickness, "mm")); echo(str("Total dimensions: ", total_length, "mm x ", extended_total_width, "mm x ", thickness, "mm"));
echo(str("Extension: 40mm in negative y direction from holes"));
echo(str("Hole spacing: ", first_spacing, "mm, ", second_spacing, "mm, ", third_spacing, "mm")); echo(str("Hole spacing: ", first_spacing, "mm, ", second_spacing, "mm, ", third_spacing, "mm"));
echo(str("Hole positions: ", hole_positions)); echo(str("Hole positions: ", hole_positions));
echo(str("Hole diameter: ", hole_diameter, "mm (for M3 bolts)")); echo(str("Hole diameter: ", hole_diameter, "mm (for M3 bolts)"));
echo("=== End Specifications ==="); echo("=== End Specifications ===");
} }
// === Test the holder ===
// Default holder
pcie_riser_holder();