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acorn: only render threads if thread_height is nonzero
[clinton/3d-models.git]
/
acorn
/
acorn-threads.scad
diff --git
a/acorn/acorn-threads.scad
b/acorn/acorn-threads.scad
index
688ef30
..
d5e7fe2
100644
(file)
--- a/
acorn/acorn-threads.scad
+++ b/
acorn/acorn-threads.scad
@@
-35,6
+35,7
@@
module acorn (thread_pitch = 3.0,
base_height = AUTO_CALCULATE,
wall_thickness = AUTO_CALCULATE,
outer_d = AUTO_CALCULATE,
base_height = AUTO_CALCULATE,
wall_thickness = AUTO_CALCULATE,
outer_d = AUTO_CALCULATE,
+ dome_h = AUTO_CALCULATE,
keychain = true) {
keychain = true) {
@@
-110,16
+111,18
@@
module acorn (thread_pitch = 3.0,
}
if (keychain) cap_keychain_holes ();
}
if (keychain) cap_keychain_holes ();
- // hollow
it
out (make parametric later, this is pretty ugly now, but calc seems to be ok for RaleighAcorn)
+ // hollow
the cap
out (make parametric later, this is pretty ugly now, but calc seems to be ok for RaleighAcorn)
diam_to_height_ratio = 3.2;
diam_to_height_ratio = 3.2;
- dome_h =
outer_d / diam_to_height_ratio - thread_height
;
+ dome_h =
(dome_h == AUTO_CALCULATE) ? outer_d / diam_to_height_ratio - thread_height : dome_h
;
echo ("dome_h = ", dome_h);
difference () {
translate ([0, 0, thread_height-0.01]) dome (d=outer_d, h=dome_h);
}
echo ("dome_h = ", dome_h);
difference () {
translate ([0, 0, thread_height-0.01]) dome (d=outer_d, h=dome_h);
}
- translate ([0, 0, -0.01]) acorn_thread (internal = true, ring = false);
+ if (thread_height != 0) {
+ translate ([0, 0, -0.01]) acorn_thread (internal = true, ring = false);
+ }
}
}
}
}