From ba7c5b240dcdab5fa3f4e3f7823bb828551471f0 Mon Sep 17 00:00:00 2001 From: Ian Jackson Date: Sun, 5 Dec 2021 12:12:59 +0000 Subject: [PATCH] rpi-mount: copy from other repo From 06b6654f0a8e6750aac2e34d785ff84f311e5444 Signed-off-by: Ian Jackson --- rpi-mount.scad | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 rpi-mount.scad diff --git a/rpi-mount.scad b/rpi-mount.scad new file mode 100644 index 0000000..8b26e87 --- /dev/null +++ b/rpi-mount.scad @@ -0,0 +1,35 @@ +// -*- C -*- + +pi_board_gap = 0.5; + +pi_sz = [ 66.0, 30.5 ] + pi_board_gap * [1,1]; + +pi_nom_sz = [ 65, 30 ]; +pi_nom_centres_in = 3.5; +pi_solder_side_gap = 1.5 * 2; +pi_screw_hole_dia = 2.3; +pi_screw_hole_wall = 2.3; + +pi_adj_x_offset = 1.35 - .35; + +module PiMount(){ ////toplevel + sxy = pi_nom_sz/2 - [1,1] * pi_nom_centres_in; + translate([pi_adj_x_offset, 0,0]) + for (mx=[0,1]) mirror([mx,0,0]) for (my=[0,1]) mirror([0,my,0]) { + difference(){ + union(){ + linextr(-0.1, pi_mount_z + board_support_z, convexity=1) + rectfromto( pi_nom_sz/2 - 2 * [1,1] * pi_nom_centres_in, + pi_sz/2 + [1,1] * board_support_wall); + linextr(-0.1, pi_mount_z - pi_solder_side_gap, convexity=1) + translate(sxy) + square(center=true, pi_screw_hole_dia + pi_screw_hole_wall*2); + } + linextr(pi_mount_z, pi_mount_z + 5, convexity=1) + rectfromto(-[10,10], pi_sz/2); + translate( sxy ) + linextr(-1, pi_mount_z + 10, convexity=1) + circle(r= pi_screw_hole_dia/2); + } + } +} -- 2.30.2