added own OpenScad models

openscad/own/delta-extrusion-40mm-fan-mount/fanadapter.scad

@@ -0,0 +1,47 @@
+// 40mm fan adapter for delta frames
+// by zeus - zeus@ctdo.de - CC-BY-NC-4.0
+// -> https://www.thingiverse.com/zeus
+// -> https://github.com/zeus86 
+// 2016-02-26
+// ---
+//some vars
+
+$fn=24;
+
+mnt_hole_dia=5.1;
+fan_hole_dia=4;
+fan_hole_dist=32.5;
+fan_dia_effective=40;
+base_w=40*1.75;
+base_t=3;
+base_h=40+2*mnt_hole_dia;
+standoff_h=7;
+
+//====================================
+
+module standoff(){
+    translate([0,0,standoff_h/2+base_t/2]){
+        difference(){
+            cylinder(r1=fan_hole_dia,r2=fan_hole_dia*0.75,h=standoff_h,center=true);
+            cylinder(r=fan_hole_dia/2,h=standoff_h+1,center=true);
+            }
+        }
+    }
+
+
+module base(){
+    difference(){
+        cube([base_w,base_h,base_t],center=true);  
+        cylinder(r=fan_dia_effective/2,h=base_t+1,center=true,$fn=48);
+        translate([-(base_w/2-mnt_hole_dia),+(base_h/2-mnt_hole_dia),0])cylinder(r=mnt_hole_dia/2,h=base_t+1,center=true);
+        translate([+(base_w/2-mnt_hole_dia),+(base_h/2-mnt_hole_dia),0])cylinder(r=mnt_hole_dia/2,h=base_t+1,center=true);
+        translate([-(base_w/2-mnt_hole_dia),-(base_h/2-mnt_hole_dia),0])cylinder(r=mnt_hole_dia/2,h=base_t+1,center=true);
+        translate([+(base_w/2-mnt_hole_dia),-(base_h/2-mnt_hole_dia),0])cylinder(r=mnt_hole_dia/2,h=base_t+1,center=true);
+        }
+    translate([-(fan_hole_dist/2),+(fan_hole_dist/2),0])standoff();
+    translate([+(fan_hole_dist/2),+(fan_hole_dist/2),0])standoff();
+    translate([-(fan_hole_dist/2),-(fan_hole_dist/2),0])standoff();
+    translate([+(fan_hole_dist/2),-(fan_hole_dist/2),0])standoff();
+    }
+
+base();