buildable-stick-system/src/frames/pieces/extended/side-trapezoid.scad
2024-12-04 11:25:00 -06:00

38 lines
1.3 KiB
OpenSCAD

/*
* SPDX-FileCopyrightText: © 2024 Brian S. Stephan <bss@incorporeal.org>
* SPDX-License-Identifier: GPL-3.0-or-later
*/
include <parameters.scad>
include <components.scad>
use <frames/complete/left-frame.scad>
use <frames/pieces/box/side.scad>
use <front-or-back-clean-for-extended-side.scad>
module side_frame_piece_wall() {
// get a slice of the piece, to use it in extruding
// this doesn't use the side_frame_piece because of the 45 degree angle geometry
// not creating a clean thing to cut, so we just take the whole wall and use that
projection(cut=true) rotate([0, 90, 0]) translate([frame_x/2-frame_wall-(frame_bevel_height/2), 0, 0])
left_frame();
}
module side_frame_piece_extension() {
// combine the original with a shrunken piece to "pull" the wall out
hull() {
linear_extrude(height=frame_extension_y) scale([0.5, 0.85, 1]) side_frame_piece_wall();
linear_extrude(height=frame_bevel_height) side_frame_piece_wall();
}
}
module side_trapezoid_frame_piece() {
difference() {
side_box_frame_piece();
// chop off the old edge which is getting replaced with the extension
translate([-frame_x/2+frame_bevel_height/2, 0, 0]) cube([frame_bevel_height, frame_y, frame_z], center=true);
}
translate([-frame_x/2+frame_bevel_height*2, 0, 0]) rotate([0, -90, 0]) side_frame_piece_extension();
}
side_trapezoid_frame_piece();