From df540769d816e1e02d2be1c5b99dd35714e87396 Mon Sep 17 00:00:00 2001 From: daniel watson Date: Tue, 11 Aug 2015 22:20:04 -0700 Subject: [PATCH] enlarge motor mount holes so threads slip through * it's not necessary to have the threads bite into these holes and only made it hard for students to assemble their robots. --- 3d-printables/motor-mount-data.scad | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/3d-printables/motor-mount-data.scad b/3d-printables/motor-mount-data.scad index 13843ea..c52f7f5 100644 --- a/3d-printables/motor-mount-data.scad +++ b/3d-printables/motor-mount-data.scad @@ -8,14 +8,14 @@ // https://challenge-bot.com/ // from schematic http://goo.gl/96RKol -collar_radius = 9.2 / 2 + 0.25; -nubbin_radius = 4.48 / 2; -screw_radius = 2.9 / 2 + 0.35; // a little bigger so screws fit through +collar_radius = 9.2 / 2 + 0.75; +nubbin_radius = 4.48 / 2 + 0.5; +screw_radius = 2.9 / 2 + 0.8; // a little bigger so screws fit through motor_height = 22.23; // http://freespace.virgin.net/matt.waite/resource/handy/screwsize.htm -_6_radius = 3.5 / 2 + 0.25; +_6_radius = 3.5 / 2 + 0.75; // measurements we made up: mount_total_x = 38; @@ -40,10 +40,10 @@ module motor_holes() { cylinder(r = screw_radius, h = mount_total_z + 0.1); } } } module bracket_holes() { - translate([6.2, 0, 0]) - cylinder(r = _6_radius, h = mount_total_z + 0.1); - translate([mount_total_x - 6.2, 0, 0]) - cylinder(r = _6_radius, h = mount_total_z + 0.1); } + translate([6.2, 0, 0]) { + cylinder(r = _6_radius, h = mount_total_z + 0.1); } + translate([mount_total_x - 6.2, 0, 0]) { + cylinder(r = _6_radius, h = mount_total_z + 0.1); } } module motor_mount() { difference() { -- 2.30.2