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authorMichael Krelin <hacker@klever.net>2016-05-30 23:05:36 (UTC)
committer Michael Krelin <hacker@klever.net>2016-05-30 23:05:36 (UTC)
commitc11d5b7e8f4b8f0e7a20d81dd813a21e19b705c3 (patch) (side-by-side diff)
treec361a9b9a84be5e1983404afdc98f3e77298664e
parentd2f2c94ddbbf6c00b6ea89257f8f3e242f9216bd (diff)
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make the blow target adjustable
blow a bit below layer printed to target the neighborhood instead of the very nozzle
Diffstat (more/less context) (show whitespace changes)
-rw-r--r--fanduct.scad9
1 files changed, 5 insertions, 4 deletions
diff --git a/fanduct.scad b/fanduct.scad
index 7fc1ff4..f4bb705 100644
--- a/fanduct.scad
+++ b/fanduct.scad
@@ -9,4 +9,5 @@ nozzle_offset=4.5; // nozzle offset from the edge of heatblock
fanduct_elevation = 3; // fanduct elevation above nozzle tip
+fanduct_blowtarget = -2; // what to blow at
fanduct_h = 6; // inner height of the duct
fanduct_w = 7; // inner width of the duct
@@ -82,8 +83,8 @@ module fanduct(type=type) {
rotate_extrude($fn=smooth_f)
polygon([
- [0,-fanduct_elevation],
+ [0,-fanduct_elevation+fanduct_blowtarget+epsilon],
[fanduct_ir+fanduct_shell,fanduct_shell+fanduct_h/2],
[fanduct_ir+fanduct_shell+fanduct_w/2,0],
- [0,-fanduct_elevation-.1]]);
+ [0,-fanduct_elevation+fanduct_blowtarget-epsilon]]);
translate([0,0,-1])
cylinder(r=hotend_clearance,h=fanduct_h+2*fanduct_shell+2,$fn=smooth_f);
@@ -95,8 +96,8 @@ module fanduct(type=type) {
rotate_extrude($fn=smooth_f)
polygon([
- [0,-fanduct_elevation],
+ [0,-fanduct_elevation+fanduct_blowtarget+epsilon],
[fanduct_ir+fanduct_shell+1,fanduct_h/2],
[fanduct_ir+fanduct_w/2+fanduct_shell+1,fanduct_shell],
- [0,-fanduct_elevation-.1]]);
+ [0,-fanduct_elevation+fanduct_blowtarget-epsilon]]);
}else if(what=="airguides") {
inr = fanduct_ir+fanduct_shell; our = inr+fanduct_w;