sm_closure_cnr = 3.0;
wm_thick = 5;
-wm_screw_dia = 4.5; // XXX
-wm_screwdriver_dia = 6.0; // XXX
-wm_screw_around = 4.0; // XXX
+wm_screw_dia = 4.5; // Timco wood screw 40mm, use brown plug
+wm_screw_around = 5.0;
wm_screw_slot = 3.5;
-wm_screw_head = 7.5; // XXX
+wm_screw_head = 8.0;
wmb_screw_dia = 5;
-wmb_screw_head_dia = 10; // XXX
+wmb_screw_head_dia = 8.7 + 0.5;
wmb_screw_around_x = 4; // XXX
wmb_screw_around_z = 6; // XXX
wmb_screw_depth_min = 10;
-web_screw_len = 15 + 1; // XXX
+web_screw_len = 15 + 1;
wmb_nut_across = 8; // XXX
wmb_nut_around_min = 2; // XXX
wmb_nut_behind_min = 5;
sm_outer_rad = sm_inner_rad + sm_main_thick;
wm_main_width = sm_main_width;
+wm_screwdriver_dia = wm_screw_head;
wm_y_min = sqrt( pow(sm_inner_rad, 2) -
pow(sm_inner_rad - (wm_thick - sm_main_thick), 2) );
wm_y_screw = wm_y_min + wm_screw_around + wm_screw_dia/2;
wm_y_max = wm_y_screw + wm_screw_dia/2 + wm_screw_around;
+wm_lhs_y_min = -wm_y_max;
wm_y_slotc_screw = wm_y_screw + wm_screw_slot/2;
wm_y_slot1_screw = wm_y_screw + wm_screw_slot;
-wm_y_slot1_max = wm_y_max + wm_screw_slot;
+wm_y_slot1_max = wm_y_max + wm_screw_slot/2;
wm_z_slot0_screw = wm_main_width + wm_screwdriver_dia/2;
wm_z_slotc_screw = wm_z_slot0_screw + wm_screw_slot/2;
wm_z_slot1_screw = wm_z_slot0_screw + wm_screw_slot;
wmb_nut_around_min + wmb_nut_rad
);
wmb_z_max = wmb_z_screw * 2;
-wmbb_y_max = wmb_y_mount_max + wmb_mount_gap_xy + wmb_mount_wall;
+wmbb_y_max = max(
+ wmb_y_mount_max + wmb_mount_gap_xy + wmb_mount_wall,
+ wmb_y_screw_end + web_screw_len
+ );
wmbb_x_outer = wmb_x_outer + (wmb_mount_gap_xy + wmb_mount_wall);
wmbb_z_flat_max = -wmb_bottom_gap;
wmbb_z_flat_whole_min = wmbb_z_flat_max - wmb_bottom_th_min;
module WallMountMounts(){
linextr(0, wm_z_max){
translate([ -sm_outer_rad, 0 ])
- rectfromto([ 0, -wm_y_max ],
+ rectfromto([ 0, wm_lhs_y_min ],
[ wm_thick, wm_y_slot1_max ]);
}
}
module WallMountScrewHoles(){
- translate([ -sm_outer_rad + wm_thick, 0, wm_z_slotc_screw]) {
+ translate([ -sm_outer_rad + wm_thick, 0, wm_z_slotc_screw ]) {
translate([ 0, wm_y_slotc_screw, 0 ])
WallScrewHoleSlot();
translate([ 0, -wm_y_slotc_screw, 0 ])