X-Git-Url: http://challenge-bot.com/repos/?p=challenge-bot;a=blobdiff_plain;f=3d-printables%2Fsonar-table-top-holder-data.scad;fp=3d-printables%2Fsonar-table-top-holder-data.scad;h=0b31aa4f4d67d012adebcc4a86d7aa3ed951b879;hp=2bfe1b060cf210b9412a9a350ad4221473b96c88;hb=9b42d78b71cc8f567fa7b7b1d434e81da73e5282;hpb=3a60191c9b3d188a4b9fc0bb9f358be185dcd581 diff --git a/3d-printables/sonar-table-top-holder-data.scad b/3d-printables/sonar-table-top-holder-data.scad index 2bfe1b0..0b31aa4 100644 --- a/3d-printables/sonar-table-top-holder-data.scad +++ b/3d-printables/sonar-table-top-holder-data.scad @@ -34,7 +34,9 @@ between_sonar_centers = sonar_diameter + 10.82; between_sonar_centers_variance = 2; // keep at least this much plastic surrounding the sonar cylinder on all sides buffer = 3; -sonar_holder_length = buffer + between_sonar_centers + sonar_diameter + buffer; +binder_clip_attacher_length = 30; // not measured; just a rough estimate +screw_hole = 2.2; +sonar_holder_length = buffer + between_sonar_centers + sonar_diameter + buffer + binder_clip_attacher_length; sonar_holder_width = buffer + sonar_diameter + buffer; // sonar_holder_depth is deck_depth minus a little bit to make arm fit // into deck holder @@ -57,52 +59,19 @@ module sonars() { cylinder(r = sonar_radius, h = sonar_height); } } module sonar_holder() { - elbow_length = deck_depth - 0.5; - rounded_corner_radius = buffer; - difference() { - cube([sonar_holder_length, sonar_holder_width, sonar_holder_depth]); - translate([sonar_holder_length / 2, sonar_holder_width / 2, -0.05]) { - sonars(); } - translate([sonar_holder_length, - sonar_holder_width, - 0]) { - corner_rounder(rounded_corner_radius, - sonar_holder_depth, - "bottom-right"); } } - translate([sonar_holder_length, 0, 0]) { - cube([elbow_length, deck_depth, sonar_holder_depth]); - translate([elbow_length, 0, 0]) { - linear_extrude(height = sonar_holder_depth) { - polygon([[ 0, 0], - [sonar_holder_depth, 0], - [sonar_holder_depth, sonar_holder_width / 2], - [ 0, sonar_holder_width / 2 - + sonar_holder_depth]]); } - translate([0, (sonar_holder_width + sonar_holder_depth) / 2, 0]) { - cube([sonar_holder_depth / 2, - (sonar_holder_width - sonar_holder_depth) / 2 + 0.8, - sonar_holder_depth]); } - translate([-1.7, sonar_holder_width + 0.8, 0]) { - linear_extrude(height = sonar_holder_depth) { - polygon([[ 0, 0], - [sonar_holder_depth / 2 + 1.7, 4], - [sonar_holder_depth / 2 + 1.7, 0]]); } } } } } - -module corner_rounder_2d(radius, corner_name = "top-left") { - rotate_for_corner = (corner_name == "top-left") ? 0 : - ((corner_name == "top-right") ? -90 : - ((corner_name == "bottom-left") ? 90 : - ((corner_name == "bottom-right") ? 180 : - 1 / 0))); - rotate(rotate_for_corner) { difference() { - square(radius); - translate([radius, radius]) { - circle(radius); } } } } + difference() { + cube([sonar_holder_length, sonar_holder_width, sonar_holder_depth]); + translate([sonar_holder_length - between_sonar_centers, sonar_holder_width / 2, -0.05]) { + sonars(); } } + translate([binder_clip_attacher_length / 2, sonar_holder_width / 2], 0) { + cylinder(r = screw_hole, h = sonar_holder_depth); } } } -module corner_rounder(radius, height, corner_name = "top-left") { - linear_extrude(height = height) { - corner_rounder_2d(radius, corner_name); } } +module attaching_piece() { + linear_extrude(height = sonar_holder_depth) { + difference() { + square(sonar_holder_width, center = true); + circle(screw_hole); } } } /* This file is part of challenge-bot.